Exams › NEET › Chemistry

The pH of 0.01 M NaOH (aq) solution will be

1. 9
2. 7.01
3. 2
4. 12

Correct answer: 12

Solution

NaOH is a strong base and dissociates completely in water. The concentration of OH⁻ ions is 0.01 M, so pOH = -log(0.01) = 2. Using pH + pOH = 14, pH = 14 - 2 = 12.

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