Question

Pentane, CsH12, is reacted with chlorine in the presence of ultraviolet light. A compound R is found in the products. R has molecular formula CsH10C12. Each molecule of R contains one chiral carbon atom. Which two atoms of the pentane chain could be bonded to chlorine atoms in this isomer?

A 1 and 3
B 1 and 5
C 2 and 3
D 2 and 4​

Answer 1

Answer:

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Answer 2

Answer:

A

Explanation:

In this question, you have to adjust the two Chlorine atoms in pentane ( C5H12 ) at such positions that the resultant compound have only one chiral carbon. Hence, if you add first chlorine atom in the first carbon (this is not a chiral centre) and the second chlorine atom in the third carbon (this is a chiral centre), only then you will get a compound with only one chiral carbon. Thus, the positions of Cl atoms would be at 1st and 3rd carbon atom.

I hope that answers the question.