Question

Which of the following is an organic molecule?

Answer 1

The answer is C) C2H6.

This is an organic molecule because it contains Carbon. The specific name for this molecule is Ethane, in case you wanted to know. 

Answer 2

Answer: $C_2H_6$

Explanation:

Organic compounds are those compounds that contain carbon bonded to hydrogen.  Example: $C_2H_6$

Ethane $C_2H_6$ is a hydrocarbon and is a organic molecule.

Inorganic compounds are those compounds that do not contain carbon or contain carbon not bonded to hydrogen.Example: $MgF$ , $H_2SO_4$ and $KBr$

None of the compounds $MgF$ , $H_2SO_4$ and $KBr$ contain carbon and thus are considered as inorganic.