試題詳解

1. Variation in carbon chains is an important source of molecular complexity. How can carbon skeletons vary?
(A)Carbon skeletons can vary in length and contain rings of carbon atoms
(B)Carbon skeletons can vary in length, exhibit different branching structures, contain double bonds at different positions, and contain rings of carbon atoms
(C)Carbon skeletons only vary in length
(D)Carbon skeletons can vary in length and contain double bonds at different positions
(E)Carbon skeletons can vary in length and exhibit different branching structures