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Question
Which of the following is correct nucleophilicity order ?
Which of the following is correct nucleophilicity order ?
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Solution
The correct option is A ⊖OCH3>⊖OCH(CH3)2>⊖OC(CH3)3
A reagent which donates an electron pair to an electron deficient centre (except H+) is called as nucleophile.
Nucleophilicity implies how good/fast a species is at reacting site.
Nucleophilicity∝1steric hinderance
⊖OC(CH3)3 has more steric hinderance due to presence of 3 methyl group followed by ⊖OCH(CH3)2 which has only 2 methyl group.
⊖OCH3 being less hindered is more nucleophilic.
The correct order of nucleophilicity order is
⊖OCH3>⊖OCH(CH3)2>⊖OC(CH3)3
A reagent which donates an electron pair to an electron deficient centre (except H+) is called as nucleophile.
Nucleophilicity implies how good/fast a species is at reacting site.
Nucleophilicity∝1steric hinderance
⊖OC(CH3)3 has more steric hinderance due to presence of 3 methyl group followed by ⊖OCH(CH3)2 which has only 2 methyl group.
⊖OCH3 being less hindered is more nucleophilic.
The correct order of nucleophilicity order is
⊖OCH3>⊖OCH(CH3)2>⊖OC(CH3)3
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