STANDARDChemistry-Acids, Bases and Salts
STANDARD Chemistry pH Calculations MCQ Question
Type: MCQ-numerical-Medium
0.05 mole of NaOH is added to 5 litres of water. What will be the pH of the solution?
A
12
B
7
C
2
D
10
Correct Answer
Option A
Detailed Explanation
The concentration of NaOH is 0.01 M (0.05 moles/5 L). Since NaOH is a strong base, [OH⁻] = 0.01 M. The pOH is 2, so the pH is 14 - 2 = 12.
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