Which of the following is a ketone?
HHH
A. H-C-C-C-C
III
HHH
H
HHH
B. H-C-C-C-CO
OB.
III
O-H
HHH
HHH
OC. H-C-C-C-CO
III
HHH
HHH
O-CH3
OD. H-C-C-C-CO
III
CH3
HHH



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