Question

Pure water ionise as

2H2O (l) $\rightleftharpoons$ H3O+(aq) + OH– (aq)

At 25⁰C the pH of pure water is approximately 7.0 At 37⁰C its pH is :

• A. More than 7.0
• B. Less than 7.0
• C. Equal to 7.0
• D. None of these

Answer 1

Answer: (B)

Less than 7.0

Answer 2

T $\uparrow$ pH $\downarrow$