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Among the given compounds , the most susceptible to nucleophilic attack at the carbonyl group is: [2010]
- a)CH3COOCH3
- b)CH3CONH2
- c)CH3COOCOCH3
- d)CH3COCI
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Among the given compounds , the most susceptible to nucleophilic attac...
CH3COCl
Lesser the electron density of acyl carbon atom, more will be the susceptibility of a nucleophile to attack it.
The Cl atom has strong - I effect and weakest +R effect because of the weak π-bond between the small sized C- atom and large sized Cl atom. Thus, in CH3COCl, acyl carbon has least electron density and hence, more susceptible for nucleophilic attack.
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Among the given compounds , the most susceptible to nucleophilic attac...
Explanation:
Nucleophilic attack occurs at the carbonyl carbon of carbonyl compounds. The susceptibility of a carbonyl compound to nucleophilic attack depends on its electronic and steric factors. The electronic factor is related to the polarity of the carbonyl group, which makes the carbon atom partially positive and the oxygen atom partially negative. The steric factor is related to the size and shape of the groups attached to the carbonyl carbon, which can hinder or facilitate the approach of a nucleophile.
Among the given compounds, the most susceptible to nucleophilic attack at the carbonyl group is option 'D' (CH3COCI) because of the following reasons:
Electronic factor:
- The carbonyl carbon in CH3COCI is more electrophilic than in the other compounds because of the electron-withdrawing effect of the chlorine atom attached to it. This makes the carbon atom more positive and hence more susceptible to nucleophilic attack.
- The other compounds have electron-donating groups attached to the carbonyl carbon, which makes it less electrophilic and hence less susceptible to nucleophilic attack.
Steric factor:
- CH3COCI has a smaller group (Cl) attached to the carbonyl carbon, which provides less steric hindrance to the approach of a nucleophile.
- The other compounds have larger groups attached to the carbonyl carbon, which provide more steric hindrance to the approach of a nucleophile.
Thus, CH3COCI is the most susceptible to nucleophilic attack at the carbonyl group among the given compounds.
Nucleophilic attack occurs at the carbonyl carbon of carbonyl compounds. The susceptibility of a carbonyl compound to nucleophilic attack depends on its electronic and steric factors. The electronic factor is related to the polarity of the carbonyl group, which makes the carbon atom partially positive and the oxygen atom partially negative. The steric factor is related to the size and shape of the groups attached to the carbonyl carbon, which can hinder or facilitate the approach of a nucleophile.
Among the given compounds, the most susceptible to nucleophilic attack at the carbonyl group is option 'D' (CH3COCI) because of the following reasons:
Electronic factor:
- The carbonyl carbon in CH3COCI is more electrophilic than in the other compounds because of the electron-withdrawing effect of the chlorine atom attached to it. This makes the carbon atom more positive and hence more susceptible to nucleophilic attack.
- The other compounds have electron-donating groups attached to the carbonyl carbon, which makes it less electrophilic and hence less susceptible to nucleophilic attack.
Steric factor:
- CH3COCI has a smaller group (Cl) attached to the carbonyl carbon, which provides less steric hindrance to the approach of a nucleophile.
- The other compounds have larger groups attached to the carbonyl carbon, which provide more steric hindrance to the approach of a nucleophile.
Thus, CH3COCI is the most susceptible to nucleophilic attack at the carbonyl group among the given compounds.
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Among the given compounds , the most susceptible to nucleophilic attack at the carbonyl group is: [2010]a)CH3COOCH3b)CH3CONH2c)CH3COOCOCH3d)CH3COCICorrect answer is option 'D'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Among the given compounds , the most susceptible to nucleophilic attack at the carbonyl group is: [2010]a)CH3COOCH3b)CH3CONH2c)CH3COOCOCH3d)CH3COCICorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Among the given compounds , the most susceptible to nucleophilic attack at the carbonyl group is: [2010]a)CH3COOCH3b)CH3CONH2c)CH3COOCOCH3d)CH3COCICorrect answer is option 'D'. Can you explain this answer?.
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