Multiple Choice
Ammonia, NH3, boils at a higher temperature than phosphine, PH3. This is probably due to
A) ammonia being more dense than PH3.
B) ammonia having the lower formula mass.
C) hydrogen bonding among the NH3 molecules.
D) ammonia being ionic and phosphine being covalent.
Correct Answer:

Verified
Correct Answer:
Verified
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