1
JEE Main 2025 (Online) 2nd April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Designate whether each of the following compounds is aromatic or not aromatic.

JEE Main 2025 (Online) 2nd April Morning Shift Chemistry - Basics of Organic Chemistry Question 13 English

A
$a, c, d, e, h$ aromatic and $b, f, g$ not aromatic
B
$b, e, f, g$ aromatic and $a, c, d, h$ not aromatic
C
$a, b, c, d$ aromatic and $e, f, g, h$ not aromatic
D
e, $g$ aromatic and $a, b, c, d, f, h$ not aromatic
2
JEE Main 2025 (Online) 29th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

Statement (I): On nitration of m-xylene with $\mathrm{HNO}_3, \mathrm{H}_2 \mathrm{SO}_4$ followed by oxidation, 4-nitrobenzene-1,3-dicarboxylic acid is obtained as the major product.

Statement (II) : $-\mathrm{CH}_3$ group is o/p-directing while $-\mathrm{NO}_2$ group is m-directing group.

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

A

Statement I is true but Statement II is false

B

Both Statement I and Statement II are true

C

Both Statement I and Statement II are false

D

Statement I is false but Statement II is true

3
JEE Main 2025 (Online) 29th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

Statement (I): In partition chromatography, stationary phase is thin film of liquid present in the inert support.

Statement (II): In paper chromatography, the material of paper acts as a stationary phase.

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

A

Statement I is true but Statement II is false

B

Statement I is false but Statement II is true

C

Both Statement I and Statement II are false

D

Both Statement I and Statement II are true

4
JEE Main 2025 (Online) 29th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List - I with List - II.

List - I (Structure) List - II (IUPAC Name)
(A) JEE Main 2025 (Online) 29th January Morning Shift Chemistry - Basics of Organic Chemistry Question 31 English 1 (I) 4-Methylpent-1-ene
(B) (CH3)2C(C3H7)2 (II) 3-Ethyl-5-methylheptane
(C) JEE Main 2025 (Online) 29th January Morning Shift Chemistry - Basics of Organic Chemistry Question 31 English 2 (III) 4,4-Dimethylheptane
(D) JEE Main 2025 (Online) 29th January Morning Shift Chemistry - Basics of Organic Chemistry Question 31 English 3 (IV) 2-Methyl-1,3-pentadiene

Choose the correct answer from the options given below :

A

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

B

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

C

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

D

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

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