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JEE MAIN 2024
29-01-24 S1
Question
The interaction between π bond and lone pair of electrons present on an adjacent atom is responsible for
Select the correct option:
A
Hyperconjugation
B
Inductive effect
C
Electromeric effect
D
Resonance effect
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
View Solution
Solution
It is a type of conjugation responsible for resonance.
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JEE Main
Chemistry
Easy
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JEE_MAIN_2026
Consider the following data. (i) $2 \mathrm{Al}(\mathrm{s})+6 \mathrm{HCl}(\mathrm{aq}) \rightarrow \mathrm{Al}_2 \mathrm{Cl}_6(\mathrm{aq})+3 \mathrm{H}_2(\mathrm{~g})+1200 \mathrm{~kJ} / \mathrm{mol}$
(ii) $...
JEE Main
Chemistry
Hard
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Q
JEE MAIN_2026
A particle is rotating in a circular path and at any instant its motion can be described as $\theta=\frac{5 t^4}{40}-\frac{t^3}{3}$....
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Physics
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Q
JEE Main 2026
2026
Given below are two statements :
Statement (I): The correct sequence of bond lengths in the following species is : $$...
JEE Main
Chemistry
Medium
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Q
JEE_MAIN_2026
A planet $\left(P_1\right)$ is moving around the star of mass $2 M$ in the orbit of radius $R$. Another planet...
JEE Main
Physics
Easy
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Q
JEE MAIN_2026
The position of an object having mass 0.1 kg as a function of time t is given as $...
JEE Main
Physics
Medium
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Q
JEE MAIN_2026
The velocity of a particle is given as $\vec{v}=-x \hat{i}+2 y \hat{j}-z \hat{k} \mathrm{~m} / \mathrm{s}$. The magnitude of acceleration...
JEE Main
Physics
Medium
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Q
JEE Main 2026
2026
What is the energy (in $\mathrm{J}^{-1}$ atom-required for the following process?
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(Take the...
JEE Main
Chemistry
Easy
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Q
JEE MAIN_2026
The diameter of a wire measured by a screw gauge of least count 0.001 cm is 0.08 cm . The...
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Physics
Medium
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Q
JEE Main 2026
2026
The mass of iron converted into $\mathrm{Fe}_3 \mathrm{O}_4$ by the action of 18 g of steam is :
(Given :...
JEE Main
Chemistry
Easy
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Q
JEE MAIN_2026
The dimensional formula of $\frac{1}{2} \epsilon_0 \mathrm{E}^2$ ( $\epsilon_0=$ permittivity of vacuum and $\mathrm{E}=$ electric field) is $\mathrm{M}^{\mathrm{a}} \mathrm{L}^{\mathrm{b}} \mathrm{T}^{\mathrm{c}}$....
JEE Main
Physics
Easy
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Q
JEE Main 2024
2024
The correct IUPAC name of $\left[\mathrm{PtBr}_2\left(\mathrm{PMe}_3\right)_2\right]$ is:
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Chemistry
Easy
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Q
JEE Main 2024
2024
Evaluate the following statements related to group 14 elements for their correctness
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JEE Main
Chemistry
Easy
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Q
JEE Main 2024
2024
The correct statements among the following, for a "chromatography" purification method is:
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Q
JEE Main 2024
2024
The number of ions from the following that are expected to behave as oxidising agent is:
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Q
JEE Main 2024
2024
The incorrect statement regarding the geometrical isomers of 2-butene is:
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JEE Main 2024
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How can an electrochemical cell be converted into an electrolytic cell ?
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JEE Main 2024
2024
During the detection of acidic radical present in a salt, a student gets a pale yellow precipitate soluble with difficulty...
JEE Main
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Q
JEE Main 2024
2024
The incorrect statements regarding enzymes are:
(A) Enzymes are biocatalysts.
(B) Enzymes are non-specific and can catalyse different...
JEE Main
Chemistry
Easy
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