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Which of the following is not chiral ? [2006]
- a)2, 3- Dibromopentane
- b)3-Bromopentane
- c)2-Hydroxypropanoic acid
- d)2-Butanol
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Which of the following is not chiral ? [2006]a)2, 3- Dibromopentaneb)3...
Explanation:
Chirality is a property of a molecule that is non-superposable on its mirror image. In other words, a chiral molecule cannot be superimposed onto its mirror image. A molecule is chiral if it has an asymmetric carbon atom, also known as a chiral center.
Chiral molecules:
- 2, 3-Dibromopentane: This molecule has two chiral centers, which means it can exist as four stereoisomers. Therefore, it is chiral.
- 2-Hydroxypropanoic acid: This molecule has one chiral center and can exist as two stereoisomers. Therefore, it is chiral.
- 2-Butanol: This molecule has one chiral center and can exist as two stereoisomers. Therefore, it is chiral.
Non-chiral molecule:
- 3-Bromopentane: This molecule does not have a chiral center. A chiral center requires four different substituents attached to a carbon atom. In the case of 3-bromopentane, the carbon atom attached to the bromine does not have four different substituents. Therefore, it is not chiral.
Summary:
In summary, the molecule that is not chiral out of the given options is 3-Bromopentane because it does not have a chiral center.
Chirality is a property of a molecule that is non-superposable on its mirror image. In other words, a chiral molecule cannot be superimposed onto its mirror image. A molecule is chiral if it has an asymmetric carbon atom, also known as a chiral center.
Chiral molecules:
- 2, 3-Dibromopentane: This molecule has two chiral centers, which means it can exist as four stereoisomers. Therefore, it is chiral.
- 2-Hydroxypropanoic acid: This molecule has one chiral center and can exist as two stereoisomers. Therefore, it is chiral.
- 2-Butanol: This molecule has one chiral center and can exist as two stereoisomers. Therefore, it is chiral.
Non-chiral molecule:
- 3-Bromopentane: This molecule does not have a chiral center. A chiral center requires four different substituents attached to a carbon atom. In the case of 3-bromopentane, the carbon atom attached to the bromine does not have four different substituents. Therefore, it is not chiral.
Summary:
In summary, the molecule that is not chiral out of the given options is 3-Bromopentane because it does not have a chiral center.
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Community Answer
Which of the following is not chiral ? [2006]a)2, 3- Dibromopentaneb)3...
3-Bromopentane is a symmetric compound hence,achiral.
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Which of the following is not chiral ? [2006]a)2, 3- Dibromopentaneb)3-Bromopentanec)2-Hydroxypropanoic acidd)2-ButanolCorrect answer is option 'B'. Can you explain this answer?
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