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Question
Equal volume of two solution having pH = 2 and pH = 10 are mixed together at 90C. Then pH of resulting solution is : (Take Kw at 90C = 10−12)
Equal volume of two solution having pH = 2 and pH = 10 are mixed together at 90C. Then pH of resulting solution is : (Take Kw at 90C = 10−12)
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Solution
The correct option is D 6
Kw at 90C is 10−12
Hence, Neutral point is 6
So, on adding pH=2(10−2H+) and pH=10(10−2OH)
Solution lead to the formation of neutral solution i.e.pH=6
Kw at 90C is 10−12
Hence, Neutral point is 6
So, on adding pH=2(10−2H+) and pH=10(10−2OH)
Solution lead to the formation of neutral solution i.e.pH=6
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