For which of the following pairs of molecules does the first listed molecule possess more hydrogen-bonding sites than the second listed molecule?
A) ethanamide and propanamide
B) propanamide and N-methylpropanamide
C) N,N-dimethylpropanamide and N-methylpropanamide
D) more than one correct response
E) no correct response

Question

Quizplus · Accepted Answer

Propanamide has more hydrogen-bonding sites than N-methylpropanamide because the latter has a methyl group replacing one of the hydrogen atoms on the nitrogen, reducing the number of hydrogen atoms available for hydrogen bonding.

For Which of the Following Pairs of Molecules Does the First