Homework Help: Chem

Posted by Skye on Sunday, January 6, 2013 at 11:32pm.

Which formula represents an unsaturated hydrocarbon?

a. C3H6
b. C3H8

Is the answer B? Thanks! :)

Chem - DrBob222, Monday, January 7, 2013 at 12:05am
Here is how you know.
The general formula for a saturated hydrocarbon (alkanes) is
C_nH_2n+2.

For unsaturated hydrocarbons(alkenes) it is
C_nH_2n.

For unsaturated hydrocarbons (alkynes) it is
C_nH_2n-2

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