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The pH of a neutral water is 6.5. Then t...

The pH of a neutral water is 6.5. Then the temperature of water

A

a) is `25^(@)C`

B

b) is more than `25^(@)C`

C

c) is less than `25^(@)C`

D

d) can be more or less than `25^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
B
pH of neutral water = 6.5
At `25^(@)C`, the dissociation constant of water is `10^(-14)`, pH of water at `25^(@)C` would be taken to be 7.00. The pH of water gets smaller with higher temperature, therefore temperature is above `25^(@)C`.
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