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

The IUPAC name of is:  

1. 6-Oxohexanoic acid

2. Hexan-1-al-6-oic acid

3. 1-Aldo-hexanoic acid

4. 6-Aldo-hexan-1-oic acid

Electrolytic reduction with lead cathode of oxalic acid yields :

(1) glycollic acid

(2) glyoxalic acid

(3) glycollic acid + glyoxalic acid

(4) CH₃COOH

Aceto acetic ester behaves as-

1. An unsaturated hydroxyl compound

2. A keto compound

3. Both 1 and 2

4. None of the above

Bee, red ant, and wasp sting contains:

1. Formaline

2. Formic acid

3. Acetic acid

4. Formaldehyde

Oxalic acid can be distinguished from tartaric acid by:

1. NaHCO₃
2. Ammoniacal silver nitrate
3. Litmus paper
4. Phenolphthalein

When ${\mathrm{CH}}_2=\mathrm{CH}-\mathrm{COOH}$ is reduced by LiAlH₄, the compound obtained is :

(1) CH₃CH₂COOH

(2) CH₂=CHCH₂OH

(3) CH₃CH₂CH₂OH

(4) CH₃CH₂CHO

the structure of the product T is :

1. 

2. 

3. 

4.