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In the following set of nucleophiles, the strongest and the weakest nucleophile respectively are
I. CH3S-
II. CH3COC-
III. HO-
IV. C6H5C-
II. CH3COC-
III. HO-
IV. C6H5C-
- a)Both I and II
- b)Both I and IV
- c)Both III and II
- d)Both IV and II
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
In the following set of nucleophiles, the strongest and the weakest nu...
CH3S-(I) is strongest nucleophile and C6H5O-(IV) is weakest due to resonance stabilisation in it.
Most Upvoted Answer
In the following set of nucleophiles, the strongest and the weakest nu...
Explanation:
Strongest Nucleophile:
- The strongest nucleophile among the given options is CH3S- (Methyl Thiolate, I).
- CH3S- is a good nucleophile due to the presence of a sulfur atom which can donate electron density easily.
- Sulfur is less electronegative than oxygen, making it a better nucleophile.
- Therefore, CH3S- is the strongest nucleophile in the set.
Weakest Nucleophile:
- The weakest nucleophile among the given options is C6H5C- (Phenylacetylide, IV).
- C6H5C- is a relatively weak nucleophile compared to the other options.
- The phenylacetylide anion is less nucleophilic due to the presence of a bulky phenyl group which hinders its ability to attack electrophiles effectively.
- Therefore, C6H5C- is the weakest nucleophile in the set.
Therefore, the strongest nucleophile is CH3S- (I) and the weakest nucleophile is C6H5C- (IV) from the given set of nucleophiles. Hence, the correct answer is option 'B' - Both I and IV.
Strongest Nucleophile:
- The strongest nucleophile among the given options is CH3S- (Methyl Thiolate, I).
- CH3S- is a good nucleophile due to the presence of a sulfur atom which can donate electron density easily.
- Sulfur is less electronegative than oxygen, making it a better nucleophile.
- Therefore, CH3S- is the strongest nucleophile in the set.
Weakest Nucleophile:
- The weakest nucleophile among the given options is C6H5C- (Phenylacetylide, IV).
- C6H5C- is a relatively weak nucleophile compared to the other options.
- The phenylacetylide anion is less nucleophilic due to the presence of a bulky phenyl group which hinders its ability to attack electrophiles effectively.
- Therefore, C6H5C- is the weakest nucleophile in the set.
Therefore, the strongest nucleophile is CH3S- (I) and the weakest nucleophile is C6H5C- (IV) from the given set of nucleophiles. Hence, the correct answer is option 'B' - Both I and IV.
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In the following set of nucleophiles, the strongest and the weakest nucleophile respectively areI.CH3S-II. CH3COC-III. HO-IV. C6H5C-a)Both I and IIb)Both I and IVc)Both III and IId)Both IV and IICorrect answer is option 'B'. Can you explain this answer?
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