Acetylenic hydrocarbons are acidic because

Options

A. Sigma electron density of `C-H` bond in acetylene is nearer a carbon which has `50% s-` character
B. Acetylen has only one hydrogen atom at each carbon atom
C. Acetylene contains least number of hydrogen atoms among the possible
D. Acetylene belongs to the class of alkynes with formula `C_(n) C_(2n-2)`

Answer

A

Explanation

The acidic character of `H` is ,
`F-HgtO-H gt -=C-HgtN-H,H` atom atttached on `F,O,N` and triply bonded carbon is acidic.