9. Which cycloalkane has the lowest heat of combustion per CH2 group?
(A) Cyclopropane
(B) Cyclobutane
(C) Cyclopentane
(D) Cyclohexane
(E) Cycloheptane
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統計: A(3), B(1), C(4), D(30), E(8) #937538
統計: A(3), B(1), C(4), D(30), E(8) #937538