Manaker96
Answered

Which formula represents a hydrocarbon?
(1) CH3CH2CH2CHO
(2) CH3CH2CH2CH3
(3) CH3CH2CH2COOH
(4) CH3CH2COOCH3

Answer :

atmosfears
answer choice 2, the rest of the choices are different functional groups
hope this helps! 
kimeto3
2 because it is the only one that contains Carbon and Hydrogen only

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