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

Choose the incorrect statement.

A

Propan-2-amine can be obtained by reacting acetoxime with $\mathrm{Na} / \mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}$

B

Aniline cannot be prepared by Phthalimide reaction

C

The decreasing order of basic strength of amines in aqueous solution is Ethanamine > $\mathrm{N}, \mathrm{N}$-Dimethylaniline > Benzenamine

D

Fluorobenzene cannot be prepared from Benzenediazonium chloride by Sandmeyer's reaction because Fluorination of the Diazonium salt is highly endothermic in nature

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

Identify the final product formed when benzenamine reacts with the given reagents in the sequential order as:

i. $\quad\left(\mathrm{CH}_3-\mathrm{CO}\right)_2 \mathrm{O} /$ Pyridine.

ii.      Conc. $\mathrm{HNO}_3+\mathrm{H}_2 \mathrm{SO}_4$ \& then reacted with $\mathrm{H}_3 \mathrm{O}^{+}$

iii. $\quad \mathrm{NaNO}_2 \mathrm{HCl}(273 \mathrm{~K})$ \& then reacted with $\mathrm{H}_3 \mathrm{PO}_2(\mathrm{aq})$.

A

2- Chloro- 4-Nitrophenol

B

4-Chloro-2-Nitroaniline

C

Nitrobenzene

D

4-Nitrophenol

3
COMEDK 2026 Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { Identify the correct order of the type of reactions taking place in this sequence: } $$

COMEDK 2026 Morning Shift Chemistry - Compounds Containing Nitrogen Question 4 English
A

Reduction, Diazotization, Coupling

B

Oxidation, Coupling, Diazotization

C

Reduction, Diazotization, Addition

D

Reduction, Coupling, Diazotization

4
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

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