Q JEE Main 2026

For the given molecule, "x", the preferred site for the attack of the electrophile is :

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Q JEE MAIN 2026

$$ \mathrm{Ph}-\mathrm{CH}=\mathrm{CH}_2 \xrightarrow[\mathrm{HBr}]{(\mathrm{PhCOO})_2} \text { Product } $$ Consider the above reaction A. The reaction proceeds through a more stable...

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Q JEE MAIN 2026

Consider a weak base ' B ' of $\mathrm{pK}_{\mathrm{b}}=5.699$ ' $x$ ' mL of 0.02 M HCl and ' y...

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Q JEE MAIN 2026

Method used for separation of mixture of products ( B and C ) obtained in the following reaction is

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Q JEE MAIN_2026

The reactions which produce alcohol as the product are: A. $\mathrm{CH}_4+\mathrm{O}_2 \xrightarrow[\Delta]{\mathrm{Mo}_2 \mathrm{O}_3}$ B. $...

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Q JEE MAIN_2026_

Identify the correct statements: The presence of $-\mathrm{NO}_2$ group in benzene ring A. activates the ring towards electrophilic substitutions. B....

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Q JEE MAIN 2026

Consider the following compounds Arrange these compounds in the increasing order of reactivity with nitrating mixture.

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Q JEE MAIN 2026

But-2-yne and hydrogen (one mole each) are separately treated with (i) $\mathrm{Pd} / \mathrm{C}$ and (ii) $\mathrm{Na} /$ liq. $\mathrm{NH}_3$...

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Q JEE MAIN 2026

The cycloalkene ( $X$ ) on bromination consumes one mole of bromine per mole of ( $X$ ) and gives...

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Q JEE MAIN 2026

Given below are two statements: Statement I: Benzene is nitrated to give nitrobenzene, which on further treatment with $...

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Q JEE MAIN 2026

3, 3-Dimethyl-2-butanol cannot be prepared by : Choose the correct answer from the options given below :

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Q JEE MAIN_2026_

Identify A in the following reaction.

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Q JEE MAIN_2019_

Match the refining methods (Column I) with metals (Column II). Column I Column II (Refining methods) (Metals) (I) Liquation (a)...

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Q JEE MAIN_2019_

At 300 K and 1 atmospheric pressure, 10 mL of a hydrocarbon required 55 mL of $\mathrm{O}_2$ for complete combustion,...

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Q JEE MAIN 2020

The major product in the following reaction is

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Q JEE MAIN 2019

In the following skew conformation of ethane, H′ – C – C – H″ dihedral angle is

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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 addition reaction is

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Q JEE MAIN 2019

The major product of the following reaction is $\mathrm{CH}_3 \mathrm{C} \equiv \mathrm{CH} \xrightarrow[\text { (ii)DI }]{\text { (i)DCl (1equiv.) }}$

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Q JEE MAIN 2020

The major product obtained from the following reaction is

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Q JEE MAIN 2020

Dihydrogen of high purity (> 99.95%) is obtained through

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Q JEE MAIN 2020

The increasing order of the boiling points of the major products A, B and C of the following reactions will...

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Q JEE MAIN 2020

The major product of the following reaction is

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Q JEE MAIN 2020

The major products of the following reaction are

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Q JEE MAIN 2020

Which of these will produce the highest yield in Friedel Crafts reaction?

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Q JEE MAIN 2020

The major product (Y) in the following reaction is

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Q JEE MAIN 2020

The major products A and B in the following reactions are

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Q JEE MAIN 2020

A flask contains a mixture of isohexane and 3-methylpentane. One of the liquids boils at 63°C while the other boils...

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Q JEE MAIN 2019

The correct statements among (a) to (d) are : (a) Saline hydrides produce H2 gas when reacted with H2O. (b)...

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Q JEE-MAIN 2020

The major product formed in the following reaction is $\mathrm{CH}_3 \mathrm{CH}=\mathrm{CHCH}\left(\mathrm{CH}_3\right)_2 \xrightarrow{\mathrm{HBr}}$

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Q JEE MAIN 2019

Which of these factors does not govern the stability of a conformation in acyclic compounds?

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Q JEE Main 2019

Which hydrogen in compound (E) is easily replaceable during brominating reaction in presence of light?

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Q JEE MAIN 2020

Which of the following reactions will not produce a racemic product?

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Q JEE MAIN 2020

In the following sequence of reactions the maximum number of atoms present in molecule ‘C’ in one plane is __________....

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Q JEE MAIN 2020

In the following reaction A is

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Q JEE MAIN 2020

An unsaturated hydrocarbon $X$ absorbs two hydrogen molecules on catalytic hydrogenation, and also gives following reaction $...

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Q JEE MAIN 2020

The number of $\mathrm{sp}^2$ hybrid orbitals in a molecule of benzene is

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Q JEE MAIN 2020

The major product [B] in the following sequence of reactions is

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Q JEE MAIN 2021

For the following :

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Q JEE MAIN 2021

The correct sequential addition of reagents in the preparation of 3-nitrobenzoic acid from benzene is:

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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_

consider the above reaction, and choose the correct statement :

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Q JEE MAIN 2021

In the following sequence of reactions, the final product D is :

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Q JEE-MAIN 2021

Experimentally reducing a functional group cannot be done by which one of the following reagents ?

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Q JEE MAIN 2021

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

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Q JEE MAIN 2021

Experimentally reducing a functional group cannot be done by which one of the following reagents ?

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Q JEE MAIN 2021

Consider the above chemical reaction. The total number of stereoisomers possible for Product 'P' is _______ .

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Q JEE MAIN 2021

For above chemical reactions, identify the correct statement from the following:

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Q JEE MAIN 2021

An organic compound ' A ' $\mathrm{C}_4 \mathrm{H}_8$ on treatment with $\mathrm{KMnO}_4 / \mathrm{H}^{+}$yields compound $...

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Q JEE MAIN 2021

Major product P of above reaction, is

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Q JEE MAIN 2021

Benzene on nitration gives nitrobenzene in presence of $\mathrm{HNO}_3$ and $\mathrm{H}_2 \mathrm{SO}$ mixture, where

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Q JEE MAIN 2021

Metallic sodium does not react normally with :

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Q JEE-MAIN 2021

Choose the correct statement regarding the formation of carbocations A and B given :-

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Q JEE-MAIN 2021

Given below are two statements : Statement-I : 2-methylbutane on oxidation with $\mathrm{KMnO}_4$ gives 2-methylbutan-2-ol. Statement-II : n-alkanes can be...

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Q JEE Main 2019

The major product of the following reaction is

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Q JEE-Main-2021_

Q

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Q JEE MAIN 2021

An unsaturated hydrocarbon X on ozonolysis gives A. Compound A when warmed with ammonical silver nitrate forms a bright silver...

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Q JEE MAIN 2021

Considering the above chemical reaction, identify the product "X" :

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Q JEE MAIN 2021

Match List-I with List-II : List-I (Chemicals) (a) Alcoholic potassium hydroxide (b) $\mathrm{Pd} / \mathrm{BaSO}_4$ (c) BHC (Benzene hexachloride) (d)...

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Q JEE MAIN 2021

The major product of the following reaction is:

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Q JEE MAIN 2021

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Q JEE MAIN 2021

Which of the following is Lindlar catalyst ?

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Q JEE MAIN 2021

Consider the following chemical reaction. $...

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Q JEE MAIN 2021

In the following reaction the reason why meta-nitro product also formed is :

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Q JEE MAIN 2021

Identify A and B in the chemical reaction.

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Q JEE MAIN 2021

Identify A in the given chemical reaction.

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Q JEE MAIN 2022

The total number of monobromo derivatives formed by the alkanes with molecular formula $\mathrm{C}_5 \mathrm{H}_{12}$ is (excluding stereo isomers).

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Q JEE MAIN 2022

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Q JEE MAIN 2022

In bromination of Propyne, with Bromine 1, 1, 2, 2-tetrabromopropane is obtained in 27\% yield. The amount of $1,1,2,2$ tetrabromopropane...

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Q JEE MAIN 2022

Identify the correct statement for the below given transformation.

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Q JEE MAIN 2022

Which of the following is not an example of benzenoid compound ?

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Q JEE MAIN 2022

Choose the correct option for the following reactions.

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Q JEE MAIN 2022

Major product of the following reaction is

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Q JEE MAIN 2022

Which among the following pairs of the structures will give different products on ozonolysis? (Consider the double bonds in the...

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Q JEE MAIN 2022

In the presence of sunlight, benzene reacts with $ \mathrm{Cl}_2 $ to give product, X. The number of hydrogens in...

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Q JEE MAIN 2022

Major product 'B' of the following reaction sequence is:

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Q MEMORY BASED QUESTION 2026

HYDROCARBONS

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Q JEE MAIN 2022

Arrange the following in increasing order of reactivity towards nitration

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Q JEE MAIN 2022

$ \dot{\mathrm{C}} \mathrm{l}+\mathrm{CH}_4 \rightarrow \mathrm{~A}+\mathrm{B} $ A and B in the above atmospheric reaction step are

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Q JEE-Main 2022

A compound 'A' on reaction with 'X' and 'Y' produces the same major product but different by product 'a' and...

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Q JEE MAIN 2022

What will be the major product of following sequence of reactions?

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Q JEE-Main 2022

Given below are two statements. Statement I : The presence of weaker - bonds make alkenes less stable than alkanes....

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Q JEE-Main 2022

The major product ' A ' of the following given reaction has $\_\_\_\_$ $\mathrm{sp}^2$ hybridized carbon atoms. 2,7 - Dimethyl1...

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Q JEE MAIN 2022

Two isomers 'A' and 'B' with molecular formula $\mathrm{C}_4 \mathrm{H}_8$ give different products on oxidation with $\mathrm{KMnO}_4$ in acidic medium....

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Q JEE MAIN 2022

Dihydrogen reacts with CuO to give

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Q JEE MAIN 2024

Number of isomeric products formed by monochlorination of 2-methylbutane in presence of sunlight is

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Q JEE MAIN 2022

The products formed in the following reaction.

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Q JEE MAIN 2022

In the following structures, which one is having staggered conformation with maximum dihedral angle?

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Q JEE MAIN 2024

In the given reactions identify A and B.

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Q JEE MAIN 2024

Major product of the following reaction is -

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Q JEE MAIN 2024

Identify major product ' P ' formed in the following reaction

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Q JEE MAIN 2024

2-chlorobutane $+\mathrm{Cl}_2 \rightarrow \mathrm{C}_4 \mathrm{H}_8 \mathrm{Cl}_2$ (isomers) Total number of optically active isomers shown by $\mathrm{C}_4 \mathrm{H}_8 \mathrm{Cl}_2$, obtained in...

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Q JEE MAIN 2025

Consider the following molecule (X). The structure of X is The major product formed when the given molecule (X) is...

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Q JEE MAIN 2025

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Q JEE MAIN 2025

The number of optically active products obtained from the complete ozonolysis of the given compound is

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Q JEE MAIN 2023

Incorrect method of preparation for alcohols from the following is:

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Q JEE-Main_2023

When a hydrocarbon A undergoes complete combustion it requires 11 equivalents of oxygen and produces 4 equivalents of water. What...

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Q JEE MAIN 2023

2-hexene $\xrightarrow[\text { (ii) } \mathrm{H}_3 \mathrm{O}]{\text { (i) } \mathrm{O}_3}$ Products The two products formed in above reaction are...

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Q JEE-Main_2023

A hydrocarbon 'X' with formula $\mathrm{C}_6 \mathrm{H}_8$ uses two moles of $\mathrm{H}_2$ on catalytic hydrogenation of its one mole. On...

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Q JEE MAIN 2023

The one giving maximum number of isomeric alkenes on dehydrohalogenation reaction is (excluding rearrangement)

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Q JEE MAIN 2023

Maximum number of isomeric monochloro derivatives which can be obtained from 2, 2, 5, 5-tetramethylhexane by chlorination is _______

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Q JEE MAIN 2023

In the following reaction ‘X’ is $...

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Q JEE MAIN 2023

The product formed in the following multistep reaction is

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Q JEE MAIN 2023

Molar mass of the hydrocarbon $(X)$ which on ozonolysis consumes one mole of $O_3$ per mole of $(X)$ and gives...

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Q JEE MAIN 2023

Number of bromo derivatives obtained on treating ethane with excess of \mathrm{Br}_2, in diffused sunlight is…

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Q JEE MAIN 2023

The pair from the following pairs having both compounds with net non-zero dipole moment is

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Q JEE MAIN 2023

Choose the correct set of reagents for the following conversion trans $\left(\mathrm{Ph}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_3\right) \rightarrow$ cis $\left(\mathrm{Ph}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_3\right)$

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Q JEE MAIN 2023

17 mg of a hydrocarbon (M.F. C10H16) takes up 8.40 mL of the H2 gas measured at 0ºC and 760...

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Q JEE MAIN 2023

But-2-yne is reacted separately with one mole of Hydrogen as shown $...

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Q JEE MAIN 2023

Which of the following conformations will be the most stable ?

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Q JEE MAIN 2024

Identify the product A and product B in the following set of reactions.

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Q JEE MAIN 2024

Identify major product " X " formed in the following reaction :

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Q JEE MAIN 2024

What is the structure of C ?

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Q JEE MAINS 2024

The number of correct reaction(s) among the following is

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Q JEE MAIN 2024

The major product of the following reaction is P. Number of oxygen atoms present in product ' P ' is...

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Q JEE MAIN 2024

Given below are two statements : Statement I: Nitration of benzene involves the following step Statement II: Use of Lewis...

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Q JEE-Main 2024

Number of alkanes obtained on electrolysis of a mixture of $\mathrm{CH}_3 \mathrm{COONa}$ and $\mathrm{C}_2 \mathrm{H}_5 \mathrm{COONa}$ is ______.

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Q JEE MAIN 2024

Consider the given reaction. The total number of oxygen atoms present per molecule of the product (P) is

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Q JEE MAIN 2024

Identify product A and product B :

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Q JEE MAIN 2025

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

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Q JEE MAIN 2025

Given below are two statements : Statement (I) : Neopentane forms only one monosubstituted derivative. Statement (II) : Melting point...

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Q JEE MAIN 2024

Among the following, total number of meta directing functional groups is (Integer based) $\begin{aligned} & -\mathrm{OCH}_3,-\mathrm{NO}_2,-\mathrm{CN},-\mathrm{CH}_3-\mathrm{NHCOCH}_3 \\ & -\mathrm{COR},-\mathrm{OH},-\mathrm{COOH},-\mathrm{Cl}\end{aligned}$

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Q JEE MAIN 2024

3-Methylhex-2-ene on reaction with HBr in presence of peroxide forms an addition product (A). The number of possible stereoisomers for...

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Q JEE MAIN 2025

Given below are two statements : Statement (I) : On nitration of m-xylene with $\mathrm{HNO}_{3}, \mathrm{H}_{2} \mathrm{SO}_{4}$ followed by oxidation,...

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Q JEE MAIN 2025

Given below are two statements: Statement I: Ozonolysis followed by treatment with ${\rm{Zn}},{{\rm{H}}_2}{\rm{O}}$ of cis-2-butene gives ethanal. Statement II: The...

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Q JEE MAIN 2025

The product B formed in the following reaction sequence is :

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Q JEE MAIN 2025

The total number of compounds from below when treated with hot $\mathrm{KMnO}_{4}$ giving benzoic acid is :

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Q JEE MAIN 2025

Identify product $[A],[B]$ and $[C]$ in the following reaction sequence. $$ \mathrm{CH}_{3}-\mathrm{C} \equiv \mathrm{CH} \xrightarrow[\mathrm{H}_{2}]{\mathrm{Pd} / \mathrm{C}}[\mathrm{~A}] \xrightarrow[\text { (ii)...

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Q JEE MAIN 2025

Which compound would give 3-methyl-6-oxoheptanal upon ozonolysis?

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Q JEE MAIN 2025

Identify correct statement/s:[0pt] (A) $-\mathrm{OCH}_{3}$ and $-\mathrm{NHCOCH}_{3}$ are activating group. (B) -CN and -OH are meta directing group. (C) -CN...

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Q JEE MAIN 2025

An optically active alkyl halide ${C_4}{H_9}Br[A]$ reacts with hot KOH dissolved in ethanol and forms alkene [B] as major product...

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Q JEE MAIN 2025

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

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Q JEE MAIN 2025

In the following substitution reaction :

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Q JEE MAIN 2025

A molecule ("P") on treatment with acid undergoes rearrangement and gives ("Q"). ("Q") on ozonolysis followed by reflux under alkaline...

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Q JEE MAIN 2025

Following are the four molecules "P", "Q", "R" and "S". Which one among the four molecules will react with $...

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Q JEE MAIN 2025

The product (1) formed in the following reaction sequence is

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Q JEE MAIN 2025

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

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Q JEE MAIN 2025

The compound with molecular formula $\mathrm{C}_6 \mathrm{H}_6$, which gives only one monobromo derivative and takes up four moles of hydrogen...

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Q JEE MAIN 2025

When sec-butyl cyclohexane reacts with bromine in the presence of sunlight, the major product is :

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