JEE Main 2024 (Online) 4th April Morning Shift | Basics of Organic Chemistry Question 26 | Chemistry

1

JEE Main 2024 (Online) 4th April Morning Shift

MCQ (Single Correct Answer)

+4

-1

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

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

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

2

JEE Main 2024 (Online) 4th April Morning Shift

MCQ (Single Correct Answer)

+4

-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

(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

Which among the following is incorrect statement?

A

The electromeric effect is, temporary effect

B

Hydrogen ion $$(\mathrm{H}^{+})$$ shows negative electromeric effect

C

The organic compound shows electromeric effect in the presence of the reagent only.

D

Electromeric effect dominates over inductive effect

4

JEE Main 2024 (Online) 1st February Evening Shift

MCQ (Single Correct Answer)

+4

-1

The set of meta directing functional groups from the following sets is :

A

$-\mathrm{CN},-\mathrm{NH}_2,-\mathrm{NHR},-\mathrm{OCH}_3$

B

$-\mathrm{CN},-\mathrm{CHO},-\mathrm{NHCOCH}_3,-\mathrm{COOR}$

C

$-\mathrm{NO}_2,-\mathrm{NH}_2,-\mathrm{COOH},-\mathrm{COOR} $

D

$-\mathrm{NO}_2,-\mathrm{CHO},-\mathrm{SO}_3 \mathrm{H},-\mathrm{COR}$