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1
COMEDK 2026 Morning Shift
MCQ (Single Correct Answer)
+1
-0

The reagent used in carbylamine reaction is $\_\_\_\_$ and the product of the reaction will be $\_\_\_\_$

A

Alcoholic $\mathrm{KOH}+\mathrm{CHCl}_3$; isocyanide

B

Benzene sulphonyl chloride ; sulphonamide

C

Alcoholic $\mathrm{KOH}+\mathrm{CHCl}_3$; cyanide

D

Concentrated $\mathrm{HCl}+\mathrm{NaNO}_2$; diazonium salt

2
COMEDK 2026 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is the correct reaction of Hinsberg's reagent with primary, secondary and tertiary amines?

A

Primary amine forms N , N -dialkyl Benzene sulphonamide which is soluble in alkali

B

Tertiary amine forms N, N-dialkyl Benzene sulphonamide which is insoluble in alkali

C

Secondary amine forms N, N-dialkyl Benzene sulphonamide which is soluble in alkali

D

Primary amine forms N -alkyl Benzene sulphonamide which is soluble in alkali

3
COMEDK 2025 Evening Shift
MCQ (Single Correct Answer)
+1
-0

Match the reactions given in Column I with the major product formed given in Column II.

S.No. Reactions S.No. Major product formed
A. COMEDK 2025 Evening Shift Chemistry - Compounds Containing Nitrogen Question 8 English 1 P. COMEDK 2025 Evening Shift Chemistry - Compounds Containing Nitrogen Question 8 English 2
B. COMEDK 2025 Evening Shift Chemistry - Compounds Containing Nitrogen Question 8 English 3 Q. COMEDK 2025 Evening Shift Chemistry - Compounds Containing Nitrogen Question 8 English 4
C. COMEDK 2025 Evening Shift Chemistry - Compounds Containing Nitrogen Question 8 English 5 R. COMEDK 2025 Evening Shift Chemistry - Compounds Containing Nitrogen Question 8 English 6
D. COMEDK 2025 Evening Shift Chemistry - Compounds Containing Nitrogen Question 8 English 7 S. COMEDK 2025 Evening Shift Chemistry - Compounds Containing Nitrogen Question 8 English 8

A
$\mathrm{A}=\mathrm{Q} \quad \mathrm{B}=\mathrm{R} \quad \mathrm{C}=\mathrm{S} \quad \mathrm{D}=\mathrm{P}$
B
$\begin{array}{lll}\mathrm{A}=\mathrm{Q} & \mathrm{B}=\mathrm{P} & \mathrm{C}=\mathrm{S}\end{array} \quad\mathrm{D}=\mathrm{R}$
C
$\mathrm{A}=\mathrm{R} \quad \mathrm{B}=\mathrm{S} \quad \mathrm{C}=\mathrm{Q} \quad \mathrm{D}=\mathrm{P}$
D
$\mathrm{A}=\mathrm{S} \quad \mathrm{B}=\mathrm{R} \quad \mathrm{C}=\mathrm{Q} \quad \mathrm{D}=\mathrm{P}$
4
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.
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