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Which of the following compound is more acidic?

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in Chemistry – Class 11 by (148k points)
Which of the following compound is more acidic?

(a) Alkane

(b) Alkene

(c) Alkyne

(d) All of them are equally acidic

This question was addressed to me during a job interview.

The above asked question is from Hydrocarbons in section Hydrocarbons of Chemistry – Class 11

1 Answer

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The correct answer is (c) Alkyne

For explanation I would say: The acidic behavior depends upon the hybridization of the molecule as we know that alkane has sp3 hybridization, alkane has sp^2 hybridization and alkynes has sp hybridization, due to the higher percentage of s-character, alkyne becomes highly acidic when compared with alkene and alkane.

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