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

Ammoniacal solution of Ni(CN)₂ reacts with C₆H₆ to produce a light violet coloured crystaline compound of the formula:

(1) $\mathrm{Ni}(\mathrm{CN}{)}_2·{\mathrm{C}}_6{\mathrm{H}}_5$

(2) ${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_3$

(3) $\mathrm{Ni}(\mathrm{CN}{)}_2{\mathrm{C}}_6{\mathrm{H}}_6$

(4) $\mathrm{Ni}(\mathrm{CN}{)}_2{\mathrm{NH}}_{3·}{\mathrm{C}}_6{\mathrm{H}}_6$

The diazonium salt  gives,  with:

1. HCl/CuCl

2. HNO₂/Cu

3. C₂H₅OH

4.  SnCl₂/HCl

The reaction, ${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{N}}_2\mathrm{Cl} \stackrel{{\mathrm{Cu}}_2{\mathrm{Cl}}_2/\mathrm{HCl}}{\to }{\mathrm{C}}_6{\mathrm{H}}_5\mathrm{Cl} + {\mathrm{N}}_2$ is called:

1. Etard's reaction

2. Sandmeyer's reaction

3. Wurtz-Fitting reaction

4. Perkin's reaction

Choose the correct statement from the ones given below for two anilium in:

1. II is not an acceptable canonical structure because carbonium ions are less stable than ammonium ions

2. II is not an acceptable canonical structure because it is non-aromatic

3. II is not an acceptable canonical structure because the nitrogen has 10 valence electrons

4. II is an acceptable canonical structure