Which nitro compound will show tautomerism ?

(1) ${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NO}}_2$

(2) $({\mathrm{CH}}_3{)}_3{\mathrm{CNO}}_2$

(3) ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{NO}}_2$

(4) o-nitrotoluene

Which of the following reagents will convert nitromethane into methylamine ?

1. Zn/HCl

2. Zn/NaOH

3. Zn/C₂H₅OH

4. Ni/H₂

Nitrobenze on reduction with Al-Hg and water gives:

(1) azobenze

(2) aniline

(3) azoxy benzene

(4) phenylhydroxylamine

The reduction of CH₃CN to CH₃CH₂NH₂ is called:

1. Rosenmund's reduction

2. Clemmensen's reduction

3. Mendius reduction

4. Hofmann's reduction

Aniline and ethylamine resembles in:

(1) solubility

(2) action with HNO₂

(3) action of Grignard reagent

(4) coupling reaction

Mendius method of preparation of amines consists of: 

(1) catalytic reduction of alkyl cyanides

(2) reduction of amide with LiAlH₄ 

(3) reduction of nitroparaffin with Sn + HCl

(4) reduction of oximes with Na + C₂H₅OH

ln the reaction, 

The product is: 

1. 

2. 

3. 

4. 

The correct order of basicities of the following compounds is:

$\underset{1}{{\mathrm{CH}}_3-\underset{{\mathrm{NH}}_2}{\overset{\mathrm{NH}}{\underset{|}{\overset{\left|\right|}{\mathrm{C}}}}}}, \underset{2}{C{H}_{3}C{H}_{2}N{H}_2} , \underset{3}{{\left(C{H}_3\right)}_{2}NH} , \underset{4}{ C{H}_3-\stackrel{O}{\stackrel{\left|\right|}{C}}-N{H}_2}$

1. 2 > 1 > 3 > 4

2. 1> 3 > 2 > 4

3. 3 > 1 > 2 > 4

4. 1 > 2 > 3 > 4

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