JEE Main 2022 · 29 Jun · Shift 2 · Chemistry Q77

ChemistrySingle correct+4 / -1Question 77 of 90

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.

Assertion A: Dacron is an example of polyester polymer.

Reason R: Dacron is made up of ethylene glycol and terephthalic acid monomers.

In the light of the above statements, choose the most appropriate answer from the options given below.

Both A and R are correct and R is the correct explanation of A.

Both A and R are correct but R is NOT the correct explanation of A.

A is correct but R is not correct.

A is not correct but R is correct.

Answer and worked solution

Official answer: A

Dacron is a polyester made from ethylene glycol and terephthalic acid; the ester linkages explain the polyester classification.

(A)

Topics:Common polymers

JEE Main 2022 · 29 Jun · Shift 2, Chemistry question 77