What are the functional isomers of prop-1-yne?

1 Answer
Nov 13, 2017

Of #"propyne"#, #H_3C-C-=CH#, i.e. #C_3H_4#?

Explanation:

Clearly you have two degrees of unsaturation.....and each such degree corresponds to a ring or an olefinic bond. Cyclopropene, #C_3H_4#, or #"allene"#, #H_2C=C=CH_2#, fulfil these criteria.....