Which molecule is an aromatic hydrocarbon? Two central carbons are double bonded to each other; the pair is single bonded to C H 3 above left and right, and to H below left and right. A skeletal model has line segments that slant up, down, up, and up again in a triple bond. Two hexagon rings with carbons at each corner have alternating double bonds and share one side. H is single bonded to all the C's except the ones on the shared side. Two carbons are triple bonded to each other; each has a single bond to the outside.

C. Two hexagon rings with carbons at each corner have alternating double bonds and share one side. H is single bonded to all the C's except the ones on the shared side

Explanation:

The structure of aromatic hydrocarbon contain benzene (C6H6) which is a cyclic hydrocarbon.

Alternating single and double bond at each corner of two hexagon rings is an aromatic hydrocarbon as the alternating single and double bond form a benzene ring and H is single bonded to all the carbon's (C) except on the shared side.

Hence, the correct answer is "C"

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