Question

An unsaturated hydrocarbon is hydrogenated by adding one hydrogen molecule to form an alkane. If there are six carbon atoms in the hydrocarbon, the structural formula of the unsaturated hydrocarbon is:
Question 23 options:

a) CH3 – CH = CH – CH2 – CH2 – CH3
b) CH3 – CH2 – C º C – CH2 – CH3
c) CH3 – C = C – CH2 – CH2 – CH3
d) CH3 – CH2 – CH º CH – CH2 – CH3
e) CH3 – C = C – CH º CH – CH2

Answers

GPT 3.5
The correct answer is c) CH3 – C = C – CH2 – CH2 – CH3. This is because an unsaturated hydrocarbon contains at least one double bond between carbon atoms. In this case, the structural formula has a double bond between the second and third carbon atoms (CH3 – C = C – CH2 – CH2 – CH3).

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