JEE PYQ: Hydrocarbons Question 18
Question 18 - 2020 (03 Sep Shift 1)
Which of the following compounds produces an optically inactive compound on hydrogenation?
(1) cis-2-butene (H and $\text{CH}_3$ on same side)
(2) trans-2-butene (H and $\text{CH}_3$ on opposite sides)
(3) cis-2-pentene
(4) trans-2-pentene
Show Answer
Answer: (4)
Solution
trans-2-butene on hydrogenation with $\text{H}_2/\text{Ni}$ gives butane which is optically inactive (no chiral centre).
BETA
