Question

difference between alkenes , alkanes , alkynes

Answer 1

Alkanes are those elements which have single bond between them.
Alkenes are those elements which have double bond between them.
Alkynes are those elements which have triple bond between them.

Answer 2

Alkane are saturated hydrocarbons . they have single bonds
Alkenes are unsaturated hydrocarbons . they have double bonds .
Alkynes are also unsaturated hydrocarbons but they have triple bonds