Q.
pH value of pure water at 0oC will be
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a
Greater than 7
b
Less than 7
c
7
d
All the three
answer is A.
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Detailed Solution
As temperature decreases Kw decreases.H+ concentration decreases pHbecomes greater than 7At 150C, KW = 10-10. So at temperature below 250C KW < 10-14∴ pH > 7 (for neutral solution or pure water)
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