Mercuric chloride is reduced to mercurous chloride by: 

(1) acetic acid

(2) carbon tetrachloride

(3) formic acid

(4) ammonia

Wacker method is used to convert alkene into corresponding ......... using PdCl₂.

(1) alcohol

(2) ketone

(3) aldehyde

(4) acid

In glycine the basic group is: 

1. $-{\mathrm{NH}}_2$

2. $-{\mathrm{NH}}_3^{\oplus }$

3. $-{\mathrm{COOH}}^{-}$

4. $-{\mathrm{COO}}^{⊝}$

Acetic acid on warming with hydrazoic acid in presence of conc. H₂SO₄ gives: 

(1) ${\mathrm{CH}}_3{\mathrm{CONH}}_2$

(2) ${\mathrm{CH}}_3{\mathrm{NH}}_2$

(3) ${\mathrm{CH}}_3{\mathrm{COONH}}_4$

(4) ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{NH}}_2$

HVZ reaction leads to the formation of: 

(1) acetic acid

(2) formic acid

(3) chlorosubstitited acids

(4) oxalic acid

Which compound produces Zwitter ions?

1. CH₃COOH

2. Salicylic acid

3. Phthalic acid

4. Sulphanilic acid

Hydrated oxalic acid contains:

(1) 5 water molecules

(2) 1 water molecules

(3) 2 water molecules

(4) 4 water molecules

$R\mathrm{COOH} + {\mathrm{N}}_3\mathrm{H} \underset{\mathrm{conc}.}{\overset{{\mathrm{H}}_2{\mathrm{SO}}_4}{\to }}RN{H}_{\mathit{2}}\mathit{ }\mathit{+}\mathit{ }C{O}_{\mathit{2}}\mathit{ }\mathit{+}\mathit{ }{N}_{\mathit{2}}$

The above reaction is called:

1. HVZ reaction

2. Hunsdiecker reaction

3. Schmidt reaction

4. decarboxylation reaction

Tamarind contains: 

(1) (+) tartaric acid

(2) (-) tartaric acid

(3) citric acid

(4) lactic acid