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Of these compounds of molar mass near 73, which boils highest?

AC2H5N(CH3)2
B(C2H5)2NH
Cn-C4H9OH
Dn-C4H9NH2
Answer & Solution
Correct answer: C. n-C4H9OH
n-Butanol boils at 390.3 K because O-H hydrogen bonds are stronger than N-H hydrogen bonds.
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