Question

Question: What product do you expect to obtain from each of the following reactions?

a.

b.

Short answer

Answer

a.

b.

Step-by-step solution

Identification of product in first reaction (a)

. The reaction of 5-hydroxyheptanoic acid with hydrochloric acid is given below

Reaction (a)

This product is named6-ethyloxan-2-one. In this chemical reaction, when hydrochloric acid reacts with 5-hydroxyheptanoic acid, cyclisation occurs with the removal of water molecule.

Finding the product in second reaction (b)

The reaction of ethyl (hydroxymethyl)cyclopentyl]acetate with hydrochloric acid is given below.

Reaction (b)

This product is named hexahydrocyclopenta[c]pyran--one.

In this chemical reaction,cyclisation occurs with the release of ethanol.