JEE Main 12 Jan 2019 Morning Question 23
Question: Poly- $ \beta $ -hydroxybutyrate- co- $ \beta $ -hydroxyvalerate (PHBV) is a copolymer of [JEE Main Online Paper Held On 12-Jan-2019 Morning]
Options:
A) 2-hydroxybutanoic acid and 3-hydroxypentanoic acid
B) 3-hydroxybutanoic acid and 3-hydroxypentanoic acid
C) 3-hydroxybutanoic acid and 2-hydroxypentanoic acid
D) 3-hydroxybutanoic acid and 4-hydroxypentanoic acid.
Show Answer
Answer:
Correct Answer: B
Solution:
- The correct option is (B) 3-hydroxybutanoic acid and 3-hydroxypentanoic acid PHBV is a polymer of 3-hydroxybutanoic acid and 3-Hydroxy pentanoic acid. It is biodegradable, nontoxic, biocompatible plastic produced naturally by bacteria and a good alternative for many non-biodegradable synthetic polymers.
