Which of the following is the simplest possible hydrocarbon?
A) CH4
B) H2
C) HC=CH
D) H2C=CH2
E) C2H6
Question 2
What is a hydrocarbon?
A) It is a molecule composed of carbon and hydrogen only.
B) It is a wet carbon atom.
C) It is any organic molecule.
D) It is a molecule derived from hydrogen synthesis.
E) none of the above