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Question

The intermolecular force that is most significant in explaining the variation of the boiling point (b.p.) of water from the boiling points of similarly structured molecules can be defined as:

A
hydrogen bonding
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B
Vander Waals forces
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C
covalent bonding
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D
ionic bonding
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E
coordinate covalent bonding
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Solution

The correct option is A hydrogen bonding
The intermolecular force that is most significant in explaining the variation of the boiling point (b.p.) of water from the boiling points of similarly structured molecules can be defined as hydrogen bonding.
Due to hydrogen bonding, different water molecules are associated. To boil water, these hydrogen bonds should be broken. Huge amount of energy is required to break these hydrogen bonds. This results in higher boiling point.

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