Per NCERT §6.11.2, the pH of a 10⁻⁴ M NaOH solution (strong base, fully dissociated) is closest to which value?
A14
B4
C7
D10
Answer & Solution
Correct answer: D. 10
NCERT §6.11.2 example: [OH⁻] = 10⁻⁴ ⇒ pOH = 4 ⇒ pH = 14 − 4 = 10.
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