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Tardigrade
Question
Chemistry
The pH of pure water at 80°C will be
Q. The pH of pure water at 80
∘
C will be
2843
197
Equilibrium
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A
> 7
29%
B
< 7
43%
C
= 7
14%
D
cannot be predicted
14%
Solution:
The value of
K
w
increases with rise in temperature because dissociation of water is endothermic
∴
The value of
p
H
of natural water decreases with rise in temperature