Question

Methane, propyne ,Ethyne, propene
find odd man out?

Answer 1

i think methane should be odd one out

Answer 2

Methane is the odd one out. It is a natural gas with the chemical formula CH4. It is the simplest alkane, and is one of the main constituents of natural gas.

It is quite abundantly available on Earth, and thus it is a popular fuel. Normal and natural methane is found below ground and also under the sea floor ground.