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Biodegradable polymers
JEE Main level
Single correct option
Difficulty 2 of 3
pl100
Assertion (A): PHBV is a condensation polymer. Reason (R): It is formed by joining hydroxy acid molecules through ester links with loss of water.
A
Both A and R are true but R is not the correct explanation of A.
B
A is true but R is false.
C
A is false but R is true.
D
Both A and R are true and R is the correct explanation of A.
Answer: D
Each ester link forms from an
−
OH
and a
−
COOH
with elimination of water, which is the defining feature of condensation polymerisation.
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