Chemistry, asked by ganeshshingade2002, 10 months ago

At 90C, the pH of 0.001M KOH solution will be
- (1) 3 (2) 11 (3) 5 (4) 91

Answers

Answered by Anonymous

14

Answer:

The concentration of (OH) is0.001 so pOH will be 3 (by taking -log(OH -) and pH Will become 14-3=11 at25•C but the temperature of reaction is very high (90°C) so the effect of H+ ion(formed by the dissociation of H2O) is included.HencepH decreases from 11

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