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Which of the following is not chiral?

1. 2, 3-Dibromopentane
2. 3-Bromopentane
3. 2-Hydroxypropanoic acid
4. 2-Butanol

Correct answer: 3-Bromopentane

Solution

Chirality arises when a carbon atom is attached to four different groups. In 3-Bromopentane, the carbon bonded to the bromine is not attached to four distinct groups, making it achiral.

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