Question

Which formula represents an unsaturated hydrocarbon?

1. C₂H4
2. C3H8
3. C4H10
4. C3H12

Answer 1

1. C₂H4

Step-by-step explanation:

The only saturated hydrocarbons are Alkanes: From that we can see that: C3H12, C3H8 and C4H10 are saturated. Therefore: C2H4 is unsaturated