1
JEE Main 2025 (Online) 28th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements:

Statement I:JEE Main 2025 (Online) 28th January Evening Shift Chemistry - Basics of Organic Chemistry Question 25 English 1 and JEE Main 2025 (Online) 28th January Evening Shift Chemistry - Basics of Organic Chemistry Question 25 English 2 are isomeric compounds.

Statement II: JEE Main 2025 (Online) 28th January Evening Shift Chemistry - Basics of Organic Chemistry Question 25 English 3 and JEE Main 2025 (Online) 28th January Evening Shift Chemistry - Basics of Organic Chemistry Question 25 English 4 are functional group isomers.

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

A

Statement I is false but Statement II is true

B

Both Statement I and Statement II are true

C

Statement I is true but Statement II is false

D

Both Statement I and Statement II are false

2
JEE Main 2025 (Online) 28th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct order of stability of following carbocations is :

JEE Main 2025 (Online) 28th January Morning Shift Chemistry - Basics of Organic Chemistry Question 17 English

A
A > B > C > D
B
C > B > A > D
C
B > C > A > D
D
C > A > B > D
3
JEE Main 2025 (Online) 24th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

In the given structure, number of sp and $\mathrm{sp}^2$ hybridized carbon atoms present respectively are :

JEE Main 2025 (Online) 24th January Evening Shift Chemistry - Basics of Organic Chemistry Question 18 English

A
3 and 5
B
3 and 6
C
4 and 5
D
4 and 6
4
JEE Main 2025 (Online) 24th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Identify correct statement/s :

(A) $-\mathrm{OCH}_3$ and $-\mathrm{NHCOCH}_3$ are activating group.

(B) $\quad-\mathrm{CN}$ and -OH are meta directing group.

(C) -CN and $-\mathrm{SO}_3 \mathrm{H}$ are meta directing group.

(D) Activating groups act as ortho - and para directing groups.

(E) Halides are activating groups.

Choose the correct answer from the options given below :

A
$(A),(C)$ and (D) only
B
$(A),(B)$ and $(E)$ only
C
(A) and (C) only
D
(A) only
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