1.

Number of possible alkynes with formula C_5H_8 is

Answer»

3
5
2
4

Solution :`C_5H_8` has the FOLLOWING THREE ISOMERS :
(i)`CH_3CH_2CH_2C-=CH` , (II)`CH_3CH_2C-=C CH_3`, (III)`(CH_3)_2CH-C-=CH`


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