1
JEE Main 2026 (Online) 5th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

Statement I : On the basis of inductive effect, the order of stability of alkyl carbanions is $\mathrm{CH}_3{ }^{-}>\mathrm{CH}_3-\mathrm{CH}_2{ }^{-}>\left(\mathrm{CH}_3\right)_2 \mathrm{CH}^{-}>\left(\mathrm{CH}_3\right)_3 \mathrm{C}^{-}$.

Statement II : Allyl and benzyl carbanions are more stabilised by inductive effect and not by resonance effect.

In the light of the above statements, choose the correct answer from the options given below :

A

Both Statement I and Statement II are correct

B

Both Statement I and Statement II are incorrect

C

Statement I is correct but Statement II is incorrect

D

Statement I is incorrect but Statement II is correct

2
JEE Main 2026 (Online) 4th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

$$ \text { Match the LIST-I with LIST-II } $$

List-I
Reaction
List-I
Mechanism
A. Williamson Synthesis I. Electrophilic addition
B. Friedel Craft Reaction II. Free radical substitution
C. Bromination of vinyl benzene III. Nucleophilic substitution
D. Chlorination of toluene in light IV. Electrophilic substitution

Choose the correct answer from the options given below:

A

A-III, B-I, C-II, D-IV

B

A-III, B-IV, C-II, D-I

C

A-III, B-IV, C-I, D-II

D
 

A-I, B-III, C-IV, D-II

3
JEE Main 2026 (Online) 4th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

$$ \text { Consider the following molecules/species : } $$

JEE Main 2026 (Online) 4th April Evening Shift Chemistry - Basics of Organic Chemistry Question 3 English

$$ \text { The correct order of carbon-oxygen double bond length is : } $$

A

$$ x>y>z $$

B

$$ \mathrm{y}>\mathrm{z}>x $$

C

$$ \mathrm{z}>x>\mathrm{y} $$

D

$$ x>\mathrm{z}>\mathrm{y} $$

4
JEE Main 2026 (Online) 4th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

$$ \text { The following structures are } $$

JEE Main 2026 (Online) 4th April Evening Shift Chemistry - Basics of Organic Chemistry Question 6 English
A

enantiomers.

B

identical molecules.

C

diastereomers.

D

meso compounds.

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