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Chapter 11: Problem 12

Which of the following species are capable of hydrogen-bonding among themselves? (a) \(\mathrm{C}_{2} \mathrm{H}_{6}\) (b) HI, (c) KF, (d) \(\mathrm{BeH}_{2}\) (e) \(\mathrm{CH}_{3} \mathrm{COOH}\)

Short Answer

Expert verified
Among the given species, only \( \mathrm{CH}_{3} \mathrm{COOH} \) is capable of forming hydrogen bonds among itself.

Step by step solution

01

Evaluating \( \mathrm{C}_{2} \mathrm{H}_{6} \)

Hydrogen is not bonded to any of the electronegative atoms (N,O, or F) in \( \mathrm{C}_{2} \mathrm{H}_{6} \) so it does not form hydrogen bonds.
02

Evaluating HI

Though Hydrogen exists in this molecule, it is bonded to Iodine (I) which is not one of the three atoms necessary for hydrogen bonding (N,O,F). So, HI does not form hydrogen bonds.
03

Evaluating KF

Here, Hydrogen doesn't exist, so KF cannot form hydrogen bonds.
04

Evaluating \( \mathrm{BeH}_{2} \)

Here the Hydrogen is not bonded to any of the required atoms (N,O, or F) for hydrogen bonding. Thus, \( \mathrm{BeH}_{2} \) does not form hydrogen bonds.
05

Evaluating \( \mathrm{CH}_{3} \mathrm{COOH} \)

In \( \mathrm{CH}_{3} \mathrm{COOH} \), Hydrogen is bonded with Oxygen, one of the atoms required for hydrogen bonding. So, \( \mathrm{CH}_{3} \mathrm{COOH} \) can form hydrogen bonds among itself.

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