In each of the following three questions a hydrocarbon is named. For each select from among the sixteen conformational structures (a through p) all structures that represent possible conformers of that compound. Write letters (a through p), corresponding to your selections, in each answer box.
A. 2-methylbutane ______
B. 2,3-dimethylpentane ________
C. 1-ethyl-1, 3-dimethyl cyclohexane _______

Answer

A - b, d , e; B - a, c, f, h; C - i,k,p