Q JEE MAIN 2026

Given below are the four isomeric compounds (P,Q, S)

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Given below are two statements for the following reaction sequence.

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Grignard reagent $\mathrm{RMgBr}(\mathrm{P})$ reacts with water and forms a gas $(\mathrm{Q})$. One gram of Q occupies $1.4 \mathrm{dm}^3$ at STP....

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Q JEE MAIN 2026

Given below are two statements:

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A student performed analysis of aliphatic organic compound ' $X$ ' which on analysis gave $\mathrm{C}=61.01 \%$, $...

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Given below are two statements: Statement I: Cross aldol condensation between two different aldehydes will always produce four different products....

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Q JEE MAIN 2026

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Q JEE MAIN 2026

Which of the following statements are TRUE about Haloform reaction?:

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Q JEE MAIN 2026

lodoform test can differentiate between A. Methanol and Ethanol B. $\mathrm{CH}_3 \mathrm{COOH}$ and $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COOH}$ C. Cyclohexene and cyclohexanone...

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Q JEE MAIN 2026

Compound ‘P’ undergoes the following sequence of reactions : ‘P’ is :

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Given below are two statements : Statement I: $\left[\mathrm{CoBr}_4\right]^{2-}$ ion will absorb light of lower energy than $\left[\mathrm{CoCl}_4\right]^{2-}$ ion. Statement...

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Q JEE MAIN 2026

' $x$ ' is the product which is obtained from propanenitrile and stannous chloride in the presence of hydrochloric acid...

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Q JEE MAIN 2026

Match List-I with List-II. Choose the correct answer from the options given below:

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The compound $\mathrm{A}, \mathrm{C}_8 \mathrm{H}_8 \mathrm{O}_2$ reacts with acetophenone to form a single product via cross-Aldol condensation. The compound A...

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Q JEE MAIN 2026

The dibromo compound $[P]$ (molecular formula: $\mathrm{C}_9 \mathrm{H}_{10} \mathrm{Br}_2$ ) when heated with excess sodamide followed by treatment with dilute...

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An organic compound " P " of molecular formula $\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_3$ gives positive lodoform test but negative Tollen's test....

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Q JEE MAIN 2019

The major product formed in the following reaction is:

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The major products of the following reaction are

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Q JEE MAIN 2020

The increasing order of the following compounds towards HCN addition is

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The major product(s) obtained in the following reaction is/are

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Q JEE-MAIN 2019

The major product of the following reaction

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Q JEE MAIN 2019

But-2-ene on reaction with alkaline $\mathrm{KMnO}_4$ at elevated temperature followed by acidification will give :

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Q JEE-MAIN 2019

In the following reactions, products A and B are

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The major product formed in the following reaction is:

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Major products of the following reaction are :

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Q JEE MAIN 2019

The major product of the following reaction is

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Q JEE MAIN 2019

The major product of the following reaction

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Q JEE MAIN 2019

The major product of the following reaction is $\mathrm{CH}_3 \mathrm{CH}=\mathrm{CHCO}_2 \mathrm{CH}_3 \xrightarrow{\mathrm{LiAlH}_4}$

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Q JEE MAIN 2019

The major product of the following reaction is

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The increasing order of the reactivity of the following with LiAlH4 is

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Q JEE MAIN 2020

The correct match between Item-I (starting material) and Item-II (reagent) for the preparation of benzaldehyde is

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Q JEE MAIN 2020

Identify (A) in the following reaction sequence.

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Q JEE MAIN 2019

The major product of the following reaction is:

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Q JEE MAIN 2019

The major product of the following reaction is

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Q JEE MAIN 2020

The most suitable reagent for the given conversion is

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Q JEE MAIN 2019

Compound $\mathrm{A}\left(\mathrm{C}_9 \mathrm{H}_{10} \mathrm{O}\right)$ shows positive iodoform test. Oxidation of A with $\mathrm{KMnO}_4 / \mathrm{KOH}$ gives acid $\mathrm{B}\left(\mathrm{C}_8 \mathrm{H}_6 \mathrm{O}_4\right)$....

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Q JEE Main 2019

The decreasing order of ease of alkaline hydrolysis for the following esters is

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Q JEE Main 2019

Which dicarboxylic acid in presence of a dehydrating agent is least reactive to give an anhydride?

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Q JEE Main 2019

The total number of isomers for a square planar complex $\left[\mathrm{M}(\mathrm{F})(\mathrm{Cl})(\mathrm{SCN})\left(\mathrm{NO}_2\right)\right]$ is

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Q JEE MAIN 2020

$[\mathrm{P}]$ on treatment with $\mathrm{Br}_2 / \mathrm{FeBr}_3$ in $\mathrm{CCl}_4$ produced a single isomer $\mathrm{C}_8 \mathrm{H}_7 \mathrm{O}_2 \mathrm{Br}$ while heating $[\mathrm{P}]$...

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Q JEE MAIN 2020

The number of isomers possible for $\left[\mathrm{Pt}(\mathrm{en})\left(\mathrm{NO}_2\right)_2\right]$ is

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Q JEE Main 2019

The major product ‘X’ formed in the following reaction is

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Q JEE MAIN 2020

The major product [C] of the following reaction sequence will be

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Q JEE MAIN 2020

Consider the following reactions

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Q JEE MAIN 2019

Which of the following compounds reacts with ethylmagnesium bromide and also decolourizes bromine water solution?

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Q JEE MAIN 2019

The major product obtained in the following reaction is:

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Q JEE-MAIN 2020

The compound A in the following reactions is

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Q JEE-MAIN 2020

Consider the following molecules and statements related to them

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Q JEE-MAIN 2020

The increasing order of the reactivity of the following compounds in nucleophilic addition reaction is Propanal, Benzaldehyde, Propanone, Butanone

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Q JEE MAIN 2020

The major product in the following reaction is

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In the following reaction carbonyl compound $+\mathrm{MeOH} \stackrel{\mathrm{HCl}}{\rightleftharpoons}$ acetal Rate of the reaction is the highest for

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Q JEE MAIN 2020

What is the product of following reaction?

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Q JEE-MAIN 2021

Consider the given reaction, the product A is :

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Q JEE-MAIN 2021

Consider the given reaction, Identify 'X' and 'Y'

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Q JEE MAIN 2019

The major product of the following reaction is :

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Q JEE MAIN 2019

The major product of the following reaction

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Q JEE MAIN 2019

The major product obtained in the following reaction is:

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Q JEE MAIN 2021

For the reaction given below :

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Q JEE MAIN 2019

An aromatic compound 'A' having molecular formula $\mathrm{C}_7 \mathrm{H}_6 \mathrm{O}_2$ on treating with aqueous ammonia and heating forms compound '...

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Q JEE MAIN 2021

The major product formed in the following reaction is :

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Q JEE MAIN 2021

The major products formed in the following reaction sequence A and B are :

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Q JEE-MAIN 2021

Match List-I with List-II :

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Q JEE MAIN 2021

The structure of the starting compound P used in the reaction given below is :

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Q JEE-MAIN 2021

Given below are two statements : Statement I : The nucleophilic addition of sodium hydrogen sulphite to an aldehyde or...

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Q JEE-MAIN 2021

The compounds B and C respectively are :

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Q JEE MAIN 2021

Q.15 Given below are two statements : Statement I : The nucleophilic addition of sodium hydrogen sulphite to an aldehyde...

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Q JEE MAIN 2019

An organic compound neither reacts with neutral ferric chloride solution nor with Fehling solution. It however, reacts with Grignard reagent...

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Q JEE-MAIN 2021

In the following sequence of reactions a compound A , (molecular formula $\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_2$ ) with a straight chain...

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Q JEE MAIN 2021

The structure of product C, formed by the following sequence of reactions is : $...

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Q JEE MAIN 2021

In the following sequence of reactions a compound A , (molecular formula $\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_2$ ) with a straight chain...

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Q JEE MAIN 2021

To synthesise 1.0 mole of 2-methylpropan-2-ol from Ethylethanoate $\_\_\_\_$ equivalents of $\mathrm{CH}_3 \mathrm{MgBr}$ reagent will be required. (Integer value)

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Q JEE MAIN 2021

[where $\mathrm{Et} \Rightarrow-\mathrm{C}_2 \mathrm{H}_5{ }^{\mathrm{t}} \mathrm{Bu} \Rightarrow\left(\mathrm{CH}_3\right)_3 \mathrm{C}-$ ] Consider the above reaction sequence, Product "A" and Product "B" formed...

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Q JEE MAIN 2021

Maleic anhydride Maleic anhydride can be prepared by :

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Q JEE MAIN 2019

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Q JEE MAIN 2021

The correct order of their reactivity towards hydrolysis at room temperature is :

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Q JEE MAIN 2021

Consider the given reaction, the product 'X' is:

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Q JEE MAIN 2021

Consider the above reaction, the major product 'P' is:

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Q JEE MAIN 2021

The major product (P) in the following reaction is :

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Q JEE MAIN 2021

Which one of the following compounds will give orange precipitate when treated with 2,4-dinitrophenyl hydrazine ?

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Q JEE MAIN 2019

The major product obtained in the following reaction is

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Q JEE MAIN 2019

The ion that has sp3d2 hybridization for the central atom, is :

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Q JEE MAIN 2019

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Q JEE MAIN 2021

In Tollen's test for aldehyde, the overall number of electron(s) transferred to the Tollen's reagent formula $\left[\mathrm{Ag}\left(\mathrm{NH}_3\right)_2\right]_{\sim}^{+}$per aldehyde group to...

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Q JEE MAIN 2021

Consider the above reaction, the product 'X' and 'Y' respectively are :

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Q JEE Main 2019

The major product of following reaction is

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Q JEE Main 2019

The compounds A and B in the following reaction are, respectively

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Q JEE MAIN 2021

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Q JEE MAIN 2021

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Q JEE MAIN 2021

Which of the following reagent is suitable for the preparation of the product in the above reaction ?

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Q JEE MAIN 2021

Which one of the following carbonyl compounds cannot be prepared by addition of water on an alkyne in the presence...

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Q JEE-Main-2021_

The produce "A" in the above reaction is :

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Q JEE MAIN 2021

Match list - I and List - II Choose the correct answer from the options given below :

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Q JEE MAIN 2021

What is 'X' in the given reaction?

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Q JEE MAIN 2021

The major product of the following reaction is: $$ \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}=\mathrm{CH}_2 \xrightarrow[\text { Rh catalyst }]{\mathrm{H}_2 / \mathrm{CO}} $$

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Q JEE MAIN 2021

The correct sequence of reagents used in the preparation of 4-bromo-2-nitroethyl benzene from benzene is :

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Q JEE MAIN 2021

considering the above reaction, the major product among the following is :

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Q JEE MAIN 2021

Identify A in the following chemical reaction

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Q JEE MAIN 2021

Identify A in the given chemical reaction

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Q JEE MAIN 2021

2,4-DNP test can be used to identify :

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Q JEE MAIN 2021

Which of the following compound gives pink colour on reaction with phthalic anhydride in conc. $\mathrm{H}_2 \mathrm{SO}_4$ followed by treatment...

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Q JEE MAIN 2021

Identify products A and B :

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Q JEE MAIN 2021

Which of the following reagent is used for the following reaction ?

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Q JEE MAIN 2021

The product 'P' in the below reaction is :

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Q JEE MAIN 2021

The major product of the following chemical reaction is :

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Q JEE MAIN 2021

Which one of the following reactions will not form acetaldehyde ?

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Q JEE MAIN 2022

The number of stereoisomers formed in a reaction of $( \pm) \mathrm{Ph}(\mathrm{C}=\mathrm{O}) \mathrm{C}(\mathrm{OH})(\mathrm{CN}) \mathrm{Ph}$ with HCN is $\_\_\_\_$ .

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Q JEE-Main 2022

In the given reaction (Where Et is $-\mathrm{C}_2 \mathrm{H}_5$ ) The number of chiral carbon/s in product A is

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Q JEE MAIN 2022

Consider the above reaction and predict the major product.

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What is the major product of the following reaction?

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Consider the following reaction sequence : The product 'B' is :

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Q JEE MAIN 2022

Match List-I with List-IIChoose the correct answer from the options given below:

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Q JEE MAIN 2022

The structure of A in the given reaction is:

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Find out the major product for the reaction.

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The products formed in the following reaction, A and B are

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An organic compound ' A ' on reaction with $\mathrm{NH}_3$ followed by heating gives compound B . Which on further...

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Which one of the following reactions does not represent correct combination of substrate and product under the given conditions ?

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In the given reaction, The number of $\alpha$ electrons present in the product ' P ' is $\_\_\_\_$ .

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Two isomers (A) and (B) with Molar mass $184 \mathrm{~g} / \mathrm{mol}$ and elemental composition $...

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Q JEE MAIN 2022

Isobutyraldehyde on reaction with formaldehyde and $\mathrm{K}_2 \mathrm{CO}_3$ gives compound ‘A’. Compound ‘A’ reacts with KCN and yields compound ‘B’,...

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Q JEE MAIN 2022

The final product ‘A’ in the following reaction sequence

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Q JEE MAIN 2022

The reagent, from the following, which converts benzoic acid to benzaldehyde in one step is

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Decarboxylation of all six possible forms of diaminobenzoic acids $\mathrm{C}_6 \mathrm{H}_3\left(\mathrm{NH}_2\right)_2 \mathrm{COOH}$ yields three products A, B and C. Three...

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Q JEE MAIN 2022

Match List I with List II

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Oxidation of toluene to Benzaldehyde can be easily carried out with which of the following reagents?

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Which of the following reagents/ reactions will convert 'A' to 'B'?

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Which of the following ketone will NOT give enamine on treatment with secondary amines? [where $t-\mathrm{Bu}$ is $\left.-\mathrm{C}\left(\mathrm{CH}_3\right)_3\right]$

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Q JEE MAIN 2022

In the given reaction

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Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion...

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Q JEE-Main 2022

Number of electrophilic centre in the given compound is ____

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The correct structure of product ‘A’ formed in the following reaction.

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Given below are two statements : Statement I : The esterification of carboxylic acid with an alcohol is a nucleophilic...

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Q JEE MAIN 2022

In the given conversion the compound A is:

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Q JEE MAIN 2022

Which of the following reactions will yield benzaldehyde as a product?

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' A ' and ' B ' respectively are: $...

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Q JEE MAIN 2022

A chemical which stimulates the secretion of pepsin is :

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Q JEE-Main 2022

Which of the following is an example of conjugated diketone?

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Q JEE-Main 2022

Two statements are given below : Statement I: The melting point of monocarboxylic acid with even number of carbon atoms...

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Q JEE MAIN 2022

Which will have the highest enol content ?

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Q JEE MAIN 2022

In the following reaction : The compounds A and B respectively are :-

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Q JEE MAIN 2022

Consider the above reaction sequence and identify the product B.

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Q JEE MAIN 2022

$$ \left(\mathrm{C}_7 \mathrm{H}_5 \mathrm{O}_2\right)_2 \xrightarrow{\mathrm{hv}}[\mathrm{X}]+2 \dot{\mathrm{C}}_6 \mathrm{H}_5+2 \mathrm{CO}_2 $$ Consider the above reaction and identify the intermediate ' $X$ '

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Q JEE MAIN 2022

The intermediate X, in the reaction is?

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Q JEE MAIN 2025

Which among the following compounds give yellow solid when reacted with ? Choose the correct answer from the options given...

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Q JEE-Main_2023

The number of molecules which gives haloform test among the following molecules is _____.

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Q JEE MAIN 2025

Choose the correct option for structures of A and B, respectively

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" P " is an optically active compound with molecular formula $\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}$. When ' P ' is treated...

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The major product in the following reaction is :

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The major product for the following reaction is

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Q JEE MAIN 2023

Major product ‘P’ formed in the following reaction is:

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In the given circuit, $...

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Among the following the number of compounds which will be give positive iodoform reaction is ____. (a) 1-Phenylbutan-2-one (b) 2-Methylbutan-2-o1...

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Q JEE MAIN 2023

The value of x in compound ‘D’ is ___.

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Q JEE MAIN 2023

Find out the major product from the following reaction

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Q JEE MAIN 2023

A capacitor of capacitance C is charged to a potential V. The flux of the electric field through a closed...

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Q JEE MAIN 2023

The major product ‘P’ formed in the following sequence of reaction is

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Q JEE MAIN 2023

Number of compounds from the following which will not dissolve in cold $\mathrm{NaHCO}_3$ and NaOH solutions but will dissolve in...

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Q JEE MAIN 2023

The structures of major products A, B and C in the following reaction are sequence

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‘A’ in the given reaction is

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Q JEE MAIN 2023

Find out the major products from the following reaction sequence.

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Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. In...

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Given below are two statements : In the light of the above statements, choose the correct answer from the options...

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Q JEE MAIN 2023

The major product formed in the Friedel-Craft acylation of chlorobenzene is .

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Q JEE MAIN 2023

The ratio x/y on completion of the above reaction is ____.

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D-(+)-Glyceraldehyde $$ \text { D-(+)-Glyceraldehyde } \xrightarrow[\text { (ii) } \mathrm{H}_2 \mathrm{O} / \mathrm{H}^{+}]{\text {(i) } \mathrm{HCN}} $$ (iii) $\mathrm{HNO}_3$...

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Q JEE MAIN 2023

In the above conversion the correct sequence of reagents to be added is

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Q JEE MAIN 2023

The major product ‘P’ formed in the given reaction is

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A is

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Q JEE MAIN 2023

The major product formed in the following reaction is:

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Q JEE MAIN 2023

Match List-I with List-II Choose the correct answer from the options given below:

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Q JEE MAIN 2023

Compound P is neutral. Q gives effervescence with $\mathrm{NaHCO}_3$ while R reacts with Hinsbergs reagent to give solid soluble in...

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The major product ‘P’ for the following sequence of reactions is: 1) $\mathrm{Zn} / \mathrm{Hg}$ HCI major product 2) $\mathrm{LiAlH}_4$...

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Q JEE MAIN 2023

Cobalt chloride when dissolved in water forms pink colored complex X which has octahedral geometry. This solution on treating with...

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Q JEE MAIN 2023

15. Match List I with List II.

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Q JEE MAIN 2023

Compound (X) undergoes following sequence of reactions to give the Lactone (Y).

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Q JEE MAIN 2023

Consider the following reaction $$ \text { Propanal }+ \text { Methanal }=\xrightarrow[\substack{\text { (iii)s } \\ \text { (ii)...

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Q JEE MAIN 2023

The correct sequence of reagents for the preparation of Q and R is :

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Compound (X) undergoes following sequence of reactions to give the Lactone (Y).

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Q JEE MAINS 2024

Identify the product in the following reaction :

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Q JEE MAINS 2024

Given below are two statements. Statement 1. Acidity of $\alpha$-hydrogens of aldehydes and ketones is responsible for Aldol reaction. Statement...

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Q JEE MAIN 2024

Which among the following aldehydes is most reactive towards nucleophilic addition reactions?

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Q JEE MAIN 2024

Identify ' A ' in the following reaction :

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In the Claisen-Schmidt reaction to prepare, dibenzalacetone from 5.3 g of benzaldehyde, a total of 3.51 $g$ of product was...

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Q JEE MAIN 2025

An organic compound (X) with molecular formula ${{\rm{C}}_3}{{\rm{H}}_6}{\rm{O}}$ is not readily oxidised. On reduction it gives ${{\rm{C}}_3}{{\rm{H}}_8}{\rm{O}}({\rm{Y}})$ which reacts with...

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Q JEE MAIN 2025

Number of molecules from below which cannot give iodoform reaction is: Ethanol, Isopropyl alcohol, Bromoacetone, 2-Butanol, 2-Butanone, Butanal, 2-Pentanone, 3-Pentanone,...

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Match List - I with List - II. Choose the correct answer from the options given below :

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Q JEE MAIN 2025

Consider the following molecules :

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A compound ' $X$ ' absorbs 2 moles of hydrogen and ' $X$ ' upon oxidation with $\mathrm{KMnO}_{4}{ }^{*} \mathrm{H}^{+}$gives...

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Q JEE MAIN 2025

Given below are two statements : Consider the following reaction Statement (I) : In the case of formaldehyde K is...

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Q JEE MAIN 2025

0.1 mole of compound 'S' will weigh ______ g. (Given molar mass in ${\rm{gmo}}{{\rm{l}}^{ - 1}}{\rm{C}}:12,{\rm{H}}:1,{\rm{O}}:16$ )

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Q JEE MAIN 2025

The product (P) formed in the following reaction is :

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Q JEE MAIN 2025

Total number of nucleophiles from the following is :

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Q JEE MAIN 2025

Both acetaldehyde and acetone (individually) undergo which of the following reactions? A. Iodoform Reaction B. Cannizaro Reaction C. Aldol Condensation...

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Q JEE MAIN 2025

Which of the following arrangements with respect to their reactivity in nucleophilic addition reaction is correct?

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Q JEE MAIN 2025

Aman has been asked to synthesise the molecule . He thought of preparing the molecule using an aldol condensation reaction....

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Q JEE MAIN 2025

Residue (A) + HCl (dil) → Compound (B) Structure of residue (A) and compound (B) formed respectively is :

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