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

The formula of picramide is :

1. 

2. 

3. 

4. 

Pyridine possesses :

(1) aromatic nature

(2) unsaturated aliphatic nature

(3) alicyclic nature

(4) aliphatic nature