In Understanding Why Group 16 Hydrides, Other Than Those in Period

question 139

Multiple Choice

In understanding why group 16 hydrides, other than those in period 2, have a higher boiling point than the hydrides of groups 14, 15, and 17, which of the following are most important to consider?
I.dispersion forces
II.dipole-dipole forces
III. hydrogen bonding

• A)only I
• B)only III
• C)both I and II
• D)both II and III
• E)both I and III

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