Engineering
Chemistry
Inductive Effect
Resonance
Acidic and Basic Oxides
Question

Which amongst the following is the strongest acid?

CHI3

CHCl3

CH(CN)3

CHBr3

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Solution

CH(CN)3.⇌C−(CN)3+H+

Negative charge of the conjugate base C−(CN)3 in extensively delocalized through the C ≡ N group.