Question

A compound of molecular formula C6H6O turns ferric chloride solution violet and produces no effervescence with NaHCO3 . The compound is
a) Phenol

b) Nitrobenzene

c) Benzaldehyde

d) Ether​

Answer 1

Answer:

● Answer -

A => Phenol

B => Sodium salicylate

C => Salicylic acid

D => Aspirin

[Refer to image for structures]

● Explaination -

Phenol (A) reacts with FeCl3 to give violet coloured complex.

C6H5OH + FeCl3 ---> C6H5OFeCl2 + HCl

Phenol (A) reacts alkaline CO2 to give sodium salicylate (B).

C6H5OH + CO2 + NaOH ---> HOC6H4COONa + H2O

Sodium salicylate (B) on acidification gives salicylic acid (C).

HOC6H4COONa + H+ ---> HOC6H4COOH

Salicylic acid (C) reacts with acetylchloride to give aspirin (D).

HOC6H4COOH + C2H5Cl ---> (COCH3)C6H4COOH

Explanation:

Answer 2

Answer:

The answer is a Nitrobenzene

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