pH of water is 7 at 25ºC. If water is heated to 80ºC, it's pH will : (A) Decrease (B) H+ concentration increases, OH– concentration decrease (C) Increase (D) Remains the same

Question

pH of water is 7 at 25ºC. If water is heated to 80ºC, it's pH will :

(A) Decrease
(B) H+ concentration increases, OH– concentration decrease
(C) Increase
(D) Remains the same

Prashant Kotian · Accepted Answer

Correct answer: A. pH of water at 25º = 7 pH = POH = PKw = 14 = 7 at 80ºC, KW  , pKW   pH = POH = PKw   Ans. (1) decrease

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