A primary amine heated with CS₂ in presence of excess of HgCl₂ gives isothiocyanate. The reaction is called:

(1) Hofmann's bromamide reaction

(2) Hofmann's mustard oil reaction

(3) Perkin's condensation

(4) Hofmann's elimination

In the compound given below,

the correct order of acidic nature of the positions (X), (Y) and (Z) is: 

(1) Z>X>Y

(2) X>Y>Z

(3) X>Z>Y

(4) Y>X>Z

Reaction of cyclohexanone with dimethylamine in the presence of catalytic amount of an acid forms a compound if water during the reaction is continuously removed. The compound formed is generally known as:

(1) Schiff's base

(2) an enamine

(3) an imine

(4) an amine

The alkene formed as a major product in the given elimination reaction is:   

1. 

2. $C{H}_2=C{H}_2$     

3. 

4.                           

In the following reaction, the product X is:

$\underset{Cone.H_{2}S{O}_4}{\overset{cone.HN{O}_3}{\to }} x$

1. 

2. 

3. 

4. 

The correct structure of ethylenediaminetetraacetic acid (EDTA) is: 

1.
2.
3.
4.

Biuret test is not given by: 

(1) proteins

(2) carbohydrates

(3) polypeptides

(4) urea

An aromatic amine (A) reacts with alcoholic potash and another compound (Y), producing a foul-smelling gas with the formula \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{NC}\).
The compound (Y) is obtained by reacting compound (Z) with chlorine (\(\mathrm{Cl}_2\)) in the presence of slaked lime.
What is the identity of compound (Z)?
1. \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2\)
2. \(\mathrm{CH}_3 \mathrm{OH}\)
3. \(\mathrm{CH}_3 \mathrm{CH}_2\mathrm{OH}\)
4. \(\mathrm{CHCl}_3\)

Identify 'Z' in the reaction given below;

$\underset{\left(2\right) H_{2}O; boil }{\overset{\left(1\right)\hspace{0.17em}HN{O}_2(280 K)}{\to }}x\stackrel{NaOH}{\to }Y\stackrel{C{H}_{3}l}{\to }Z:$

1. 

2. 

3. 

4. 

The product obtained on nitration followed by alkaline hydrolysis of acetylated aniline is:

1. o-Nitroacetanilide

2. o- and p-Nitroaniline

3. m-Nitroaniline

4. Acetanilide