Question

Which synthetic fiber contains the organic group similar to those which gives fruit smell

Answer 1

Polyester is a synthetic polymer which contains ester groups.

Polyester is made up of repeating units of a chemical called as ester.

The chemical compounds used in preparation of polyester are made from petroleum products called petrochemicals.

Ester are the functional groups which has pleasant smell .
They are also said to have fruity smell.
Esters are used in making artificial perfumes and scents.

Properties of Polyester :
Polyester is
cheap  and durable,
wrinkle free,
stronger than nylon fibereasy to wash,not attacked by moths

Answer 2

Polyester is the synthetic fibre contains the organic group similar to those which gives fruit smell.....
It contains Ester groups