1
JEE Main 2024 (Online) 4th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

Statements I : Acidity of $$\alpha$$-hydrogens of aldehydes and ketones is responsible for Aldol reaction.

Statement II : Reaction between benzaldehyde and ethanal will NOT give Cross - Aldol product.

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

A
Both Statement I and Statement II are incorrect
B
Statement I is correct but Statement II is incorrect
C
Both Statement I and Statement II are correct
D
Statement I is incorrect but Statement II is correct
2
JEE Main 2024 (Online) 4th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II :

LIST I
Mechanism steps
LIST II
Effect
A. JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Basics of Organic Chemistry Question 52 English 1 I. $$-$$ E effect
B. JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Basics of Organic Chemistry Question 52 English 2 II. $$-$$ R effect
C. JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Basics of Organic Chemistry Question 52 English 3 III. $$+$$ E effect
D. JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Basics of Organic Chemistry Question 52 English 4 IV. $$+$$ R effect

Choose the correct answer from the options given below :

A
(A) - (I), (B) - (II), (C) - (IV), (D) - (III)
B
(A) - (II), (B) - (IV), (C) - (III), (D) - (I)
C
(A) - (III), (B) - (I), (C) - (II), (D) - (IV)
D
(A) - (IV), (B) - (III), (C) - (I), (D) - (II)
3
JEE Main 2024 (Online) 4th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Haloalkanes and Haloarenes Question 28 English

Identify B and C and how are A and C related?

A
JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Haloalkanes and Haloarenes Question 28 English Option 1
B
JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Haloalkanes and Haloarenes Question 28 English Option 2
C
JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Haloalkanes and Haloarenes Question 28 English Option 3
D
JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Haloalkanes and Haloarenes Question 28 English Option 4
4
JEE Main 2024 (Online) 4th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Identify the correct set of reagents or reaction conditions '$$X$$' and '$$Y$$' in the following set of transformation.

JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Haloalkanes and Haloarenes Question 27 English

A
$$\mathrm{X}=$$ dil.aq. $$\mathrm{NaOH}, 20^{\circ} \mathrm{C}, \quad \mathrm{Y}=\mathrm{HBr} /$$ acetic acid
B
$$\mathrm{X}=$$ conc.alc. $$\mathrm{NaOH}, 80^{\circ} \mathrm{C}, \mathrm{Y}=\mathrm{Br}_2 / \mathrm{CHCl}_3$$
C
$$\mathrm{X}=$$ dil.aq. $$\mathrm{NaOH}, 20^{\circ} \mathrm{C}, \quad \mathrm{Y}=\mathrm{Br}_2 / \mathrm{CHCl}_3$$
D
$$\mathrm{X}=$$ conc.alc. $$\mathrm{NaOH}, 80^{\circ} \mathrm{C}, \mathrm{Y}=\mathrm{HBr} /$$ acetic acid
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