JEE Main 2024 (Online) 5th April Morning Shift | Basics of Organic Chemistry Question 83 | Chemistry

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JEE Main 2024 (Online) 5th April Morning Shift

MCQ (Single Correct Answer)

-1

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) is true but (R) is false

(A) is false but (R) is true

Both $$(\mathbf{A})$$ and $$(\mathbf{R})$$ are true and $$(\mathbf{R})$$ is the correct explanation of $$(\mathbf{A})$$

Both $$(\mathbf{A})$$ and $$(\mathbf{R})$$ are true but $$(\mathbf{R})$$ is NOT the correct explanation of $$(\mathbf{A})$$

JEE Main 2024 (Online) 4th April Evening Shift

MCQ (Single Correct Answer)

-1

Correct order of stability of carbanion is :

JEE Main 2024 (Online) 4th April Evening Shift Chemistry - Basics of Organic Chemistry Question 77 English

d > c > b > a

c > b > d > a

d > a > c > b

a > b > c > d

JEE Main 2024 (Online) 4th April Morning Shift

MCQ (Single Correct Answer)

-1

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

$$\mathrm{C} \overline{\mathrm{I}}>\mathrm{R} \overline{\mathrm{O}}>{ }^{-} \mathrm{OH}>\mathrm{CH}_3 \mathrm{CO} \overline{\mathrm{O}}$$

$${ }^{-} \mathrm{OH}>\mathrm{R} \overline{\mathrm{O}}>\mathrm{CH}_3 \mathrm{CO} \overline{\mathrm{O}}>\mathrm{C} \overline{1}$$

$$\mathrm{C} \overline{\mathrm{I}}>{ }^{-} \mathrm{OH}>\mathrm{R} \overline{\mathrm{O}}>\mathrm{CH}_3 \mathrm{CO} \bar{O}$$

$$\mathrm{R} \overline{\mathrm{O}}>{ }^{-} \mathrm{OH}>\mathrm{CH}_3 \mathrm{CO} \overline{\mathrm{O}}>\mathrm{C} \overline{1}$$

JEE Main 2024 (Online) 4th April Morning Shift

MCQ (Single Correct Answer)

-1

Match List I with List II :

		LIST II Effect
A.	I.	$$-$$ E effect
B.	II.	$$-$$ R effect
C.	III.	$$+$$ E effect
D.	IV.	$$+$$ R effect

Choose the correct answer from the options given below :

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

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

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

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

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