Alkyl Halides - Result Question 38

####38. Compound(s) that on hydrogenation produce(s) optically inactive compound (s) is/are

(2015 Adv.) (a)

(c)

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Answer:

Correct Answer: 38. (b,d)

Solution:

  1. In both cases, hydrogenation of olefinic bond will render compound achiral as two identical ethyl group will come at the $\alpha$-carbon which was earlier chiral carbon. However, in $(a)$ and (c), chirality will be retained even after hydrogenation.

(b)



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