1.

Acetylenic hydrogens are acidic because

Answer»

SIGMA electron density of C-H bond in acetylene is nearer to CARBON, which has 50% s-character.
Acetylene has ony one hydrogen on each carbon.
Acetylene contains least NUMBER of hydrogens among the possible hydrocarbons having TWO carbons
Acetylene belongs to the class of alkynes with MOLECULAR formula `C_(n)H_(2n-2)`

Answer :A


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