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Question

Which one of the following statements about water is FALSE?

A
Water can act both as an acid and as a base.
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B
There is extensive intramolecular hydrogen bonding in the condensed phase.
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C
Ice formed by heavy water sinks in normal water.
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D
Water is oxidized to oxygen during photosynthesis.
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Solution

The correct option is A There is extensive intramolecular hydrogen bonding in the condensed phase.
Water is neutral. It acts both as a base and as an acid.

There is extensive intermolecular hydrogen bonding in the condensed phase.

The density of heavy water is more than the density of water, therefore, D2O sinks in normal water.

Reaction of photosynthesis:
6CO2+6H2OC6H12O6+6O2

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