1
JEE Main 2026 (Online) 28th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A student performed analysis of aliphatic organic compound ‘X’ which on analysis gave C = 61.01%, H = 15.25%, N = 23.74%.

This compound, on treatment with HNO2/H2O produced another compound ‘Y’ which did not contain any nitrogen atom. However, the compound ‘Y’ upon controlled oxidation produced another compound ‘Z’ that responded to iodoform test.

The structure of ‘X’ is :

A

CH3–CH2CH(NH2)–CH3

B

CH3CH2CH2NH2

C

Ph–CH(CH3)–NH2

D
JEE Main 2026 (Online) 28th January Evening Shift Chemistry - Compounds Containing Nitrogen Question 24 English Option 4
2
JEE Main 2026 (Online) 28th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The plot of $\log_{10} K$ vs $\frac{1}{T}$ gives a straight line. The intercept and slope respectively are (where K is equilibrium constant).

A

$-\frac{\Delta S^{\circ} R}{2.303}, \frac{\Delta H^{\circ} R}{2.303}$

B

$-\frac{\Delta H^{\circ}}{2.303R}, \frac{\Delta S^{\circ}}{2.303R}$

C

$\frac{\Delta S^{\circ}}{2.303R}, -\frac{\Delta H^{\circ}}{2.303R}$

D

$\frac{2.303R}{\Delta H^{\circ}}, \frac{2.303R}{\Delta S^{\circ}}$

3
JEE Main 2026 (Online) 28th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Total number of alkali insoluble solid sulphonamides obtained by reaction of given amines with Hinsberg's reagent is ________.

Aniline, N-Methylaniline, Methanamine, N,N-Dimethylmethanamine, N-Methyl methanamine, Phenylmethanamine, N-propylaniline, N-phenylaniline, N,N-Dimethylaniline, Allyl amine, Isopropyl amine

A

8

B

5

C

2

D

4

4
JEE Main 2026 (Online) 28th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List - I with List - II according to shape.

List – I List – II
A.  XeO3

B.  XeF2

C.  XeO2F2

D.  XeOF4
I.  BrF5

II.  NH3

III.  [I3]

IV.  SF4

Choose the correct answer from the options given below :

A

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

B

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

C

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

D

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

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