Question
Question: The pH value of decirmal solution of NH<sub>4</sub>OH, which is 20% ionized, is –...
The pH value of decirmal solution of NH4OH, which is 20% ionized, is –
A
13.30
B
14.70
C
12.30
D
12.95
Answer
12.30
Explanation
Solution
[OH–] = 0.1 × 0.2 = 2 × 10–3
pOH = 1.7 pH = 14 – pOH