1
JEE Main 2024 (Online) 5th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

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

Assertion (A) : Cis form of alkene is found to be more polar than the trans form.

Reason (R) : Dipole moment of trans isomer of 2-butene is zero.

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

A
(A) is true but (R) is false
B
(A) is false but (R) is true
C
Both $$(\mathbf{A})$$ and $$(\mathbf{R})$$ are true and $$(\mathbf{R})$$ is the correct explanation of $$(\mathbf{A})$$
D
Both $$(\mathbf{A})$$ and $$(\mathbf{R})$$ are true but $$(\mathbf{R})$$ is NOT the correct explanation of $$(\mathbf{A})$$
2
JEE Main 2024 (Online) 4th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Correct order of stability of carbanion is :

JEE Main 2024 (Online) 4th April Evening Shift Chemistry - Basics of Organic Chemistry Question 17 English

A
d > c > b > a
B
c > b > d > a
C
d > a > c > b
D
a > b > c > d
3
JEE Main 2024 (Online) 4th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

What will be the decreasing order of basic strength of the following conjugate bases? $${ }^{-} \mathrm{OH}, \mathrm{R} \overline{\mathrm{O}}, \mathrm{CH}_3 \mathrm{CO} \overline{\mathrm{O}}, \mathrm{Cl}$$

A
$$\mathrm{C} \overline{\mathrm{I}}>\mathrm{R} \overline{\mathrm{O}}>{ }^{-} \mathrm{OH}>\mathrm{CH}_3 \mathrm{CO} \overline{\mathrm{O}}$$
B
$${ }^{-} \mathrm{OH}>\mathrm{R} \overline{\mathrm{O}}>\mathrm{CH}_3 \mathrm{CO} \overline{\mathrm{O}}>\mathrm{C} \overline{1}$$
C
$$\mathrm{C} \overline{\mathrm{I}}>{ }^{-} \mathrm{OH}>\mathrm{R} \overline{\mathrm{O}}>\mathrm{CH}_3 \mathrm{CO} \bar{O}$$
D
$$\mathrm{R} \overline{\mathrm{O}}>{ }^{-} \mathrm{OH}>\mathrm{CH}_3 \mathrm{CO} \overline{\mathrm{O}}>\mathrm{C} \overline{1}$$
4
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 19 English 1 I. $$-$$ E effect
B. JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Basics of Organic Chemistry Question 19 English 2 II. $$-$$ R effect
C. JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Basics of Organic Chemistry Question 19 English 3 III. $$+$$ E effect
D. JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Basics of Organic Chemistry Question 19 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)
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