When H_2 is added to two isomeric alkenes A and B having molecular formula C_5H_9Cl , A gives optically inactive compound while B gives a chiral compound. The two isomers are

MHT CET Chemistry question

When is added to two isomeric alkenes A and B having molecular formula , A gives optically inactive compound while B gives a chiral compound. The two isomers are

(A)A is 3-chloropent-1-ene and B is 4-chloropent-2-eneCorrect
(B)A is 4-chloropent-1-ene and B is 2-chloropent-2-ene
(C)A is 1-chloropent-1-ene and B is 1-chloropent-2-ene
(D)A is 1-chloropent-1-ene and B is 5-chloropent-1-ene

Answer: (A)

Solution

In (a) A gives 3-chloropentane (achiral) and B gives 2-chloropentane (chiral carbon C-2), as required; in (b) both give

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Question ID VK-043831