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A compound of molecular formula of C7H16 shows optical isomerism, compound will be

1. 2,3-Dimethylpentane
2. 2,2-Dimethylbutane
3. 2-Methylhexane
4. None of the above

Correct answer: 2,3-Dimethylpentane

Solution

For a compound to show optical isomerism, it must have a chiral carbon (a carbon atom attached to four different groups). Among the given options, 2,3-Dimethylpentane has a chiral carbon at the second position, making it optically active.

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