Q.
Give the reactivity in the decreasing order of the following nucleophiles towards nucleophilic addition reaction with compound A F3C−≡-CF3. (I) CH3O- (II) C2H5O- (III) CH3COO⊖ (IV) CH3SO3⊖
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a
(II) > (I) > (III) > (IV)
b
(IV) > (III) > (I) > (II)
c
(I) > (II) > (IV) > (III)
d
(III) > (IV) > (II) > (I)
answer is A.
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Detailed Solution
In the same nucleophilic centre, nucleophlilicity is parallel to basic character. Stronger the acid, weaker is the conjugated base.Acidic character order: CH3SO3H>CH3COOH>CH3OH>C2H5OHBasic and nucleophilicity order:CH3SO3-
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