1
COMEDK 2025 Evening Shift
MCQ (Single Correct Answer)
+1
-0
An optically active compound $[\mathrm{X}]$ (Molecular formula $\mathrm{C}_8 \mathrm{H}_{11} \mathrm{~N}$ ) reacts with $\mathrm{CHCl}_3$ / Ethanolic KOH on heating to form an isocyanide. On reaction with $\mathrm{NaNO}_2 / \mathrm{HCl}$, it yields an alcohol with liberation of $\mathrm{N}_2$. Identify the compound $[\mathrm{X}]$.
A
2-Ethylaniline.
B
1-Phenylethanamine.
C
3, 4-Dimethylaniline.
D
2, 4-Dimethylaniline.
2
COMEDK 2025 Evening Shift
MCQ (Single Correct Answer)
+1
-0
Choose the correct statement from the options given
A
The decreasing order of basic nature of the following amines is: Methylamine $>$ Dimethylamine $>$ Trimethylamine $>$ Aniline.
B
The intermolecular bonding in primary amines is stronger than in secondary amines.
C
Benzene diazonium chloride when reacted with Aniline in presence of dil. HCl at 273 K yields $\mathrm{C}_6 \mathrm{H}_5-\mathrm{N}=\mathrm{N}-\mathrm{NH}-\mathrm{C}_6 \mathrm{H}_5$
D
On heating an aliphatic primary amine with $\mathrm{CHCl}_3$ in presence of Ethanolic KOH , a Nitrile is formed
3
COMEDK 2025 Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the final product $[\mathrm{Y}]$ in the following reaction.

COMEDK 2025 Evening Shift Chemistry - Compounds Containing Nitrogen Question 1 English

A
COMEDK 2025 Evening Shift Chemistry - Compounds Containing Nitrogen Question 1 English Option 1
B
COMEDK 2025 Evening Shift Chemistry - Compounds Containing Nitrogen Question 1 English Option 2
C
COMEDK 2025 Evening Shift Chemistry - Compounds Containing Nitrogen Question 1 English Option 3
D
COMEDK 2025 Evening Shift Chemistry - Compounds Containing Nitrogen Question 1 English Option 4
4
COMEDK 2025 Evening Shift
MCQ (Single Correct Answer)
+1
-0
The maximum polarity and dipole moment among the following is :
A
COMEDK 2025 Evening Shift Chemistry - Compounds Containing Nitrogen Question 3 English Option 1
B
COMEDK 2025 Evening Shift Chemistry - Compounds Containing Nitrogen Question 3 English Option 2
C
COMEDK 2025 Evening Shift Chemistry - Compounds Containing Nitrogen Question 3 English Option 3
D
COMEDK 2025 Evening Shift Chemistry - Compounds Containing Nitrogen Question 3 English Option 4
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