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Which of the following has a chiral carbon atom?
- a)2-Chloro-2-methylpentane
- b)1,1-Dibromoethane
- c)Pentan-3-ol
- d)2-Bromopentane
Correct answer is option 'D'. Can you explain this answer?
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Which of the following has a chiral carbon atom?a)2-Chloro-2-methylpen...
Chiral Carbon Atom:
A chiral carbon atom is a carbon atom that is bonded to four different groups or atoms. These carbon atoms have a non-superimposable mirror image and are therefore optically active. Chirality is an important concept in organic chemistry and is often associated with the stereochemistry of organic molecules.
Explanation of options:
a) 2-Chloro-2-methylpentane:
In this compound, the carbon atom that bears the chlorine atom is bonded to two identical methyl groups. Therefore, it is not a chiral carbon atom.
b) 1,1-Dibromoethane:
In this compound, both carbon atoms are bonded to two identical bromine atoms. Therefore, none of the carbon atoms in this compound are chiral.
c) Pentan-3-ol:
In this compound, the carbon atom that bears the hydroxyl group (-OH) is bonded to two identical methyl groups. Therefore, it is not a chiral carbon atom.
d) 2-Bromopentane:
In this compound, the carbon atom that bears the bromine atom is bonded to four different groups - bromine, hydrogen, methyl, and ethyl. Therefore, it is a chiral carbon atom.
Conclusion:
Among the given options, 2-Bromopentane has a chiral carbon atom. The carbon atom that bears the bromine atom in this compound is bonded to four different groups, making it a chiral carbon atom.
A chiral carbon atom is a carbon atom that is bonded to four different groups or atoms. These carbon atoms have a non-superimposable mirror image and are therefore optically active. Chirality is an important concept in organic chemistry and is often associated with the stereochemistry of organic molecules.
Explanation of options:
a) 2-Chloro-2-methylpentane:
In this compound, the carbon atom that bears the chlorine atom is bonded to two identical methyl groups. Therefore, it is not a chiral carbon atom.
b) 1,1-Dibromoethane:
In this compound, both carbon atoms are bonded to two identical bromine atoms. Therefore, none of the carbon atoms in this compound are chiral.
c) Pentan-3-ol:
In this compound, the carbon atom that bears the hydroxyl group (-OH) is bonded to two identical methyl groups. Therefore, it is not a chiral carbon atom.
d) 2-Bromopentane:
In this compound, the carbon atom that bears the bromine atom is bonded to four different groups - bromine, hydrogen, methyl, and ethyl. Therefore, it is a chiral carbon atom.
Conclusion:
Among the given options, 2-Bromopentane has a chiral carbon atom. The carbon atom that bears the bromine atom in this compound is bonded to four different groups, making it a chiral carbon atom.
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Which of the following has a chiral carbon atom?a)2-Chloro-2-methylpen...
A chiral carbon atom is that which has four different substituent groups attached to it. 2-Bromopentane has one of each H, CH3, C3H7 and Br groups attached to its C atom.
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Which of the following has a chiral carbon atom?a)2-Chloro-2-methylpentaneb)1,1-Dibromoethanec)Pentan-3-old)2-BromopentaneCorrect answer is option 'D'. Can you explain this answer?
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