what is the pH of 0.00lmoldm3 solution of sodium hydroxide

Correct Answer: Option D

Explanation

[H+][OH−] = 10 − 4
[H+] =10 − 14 ÷ [OH+] =10 −14 ÷ (1 × 10 − 3) = 10 − 11
pH = − log10[H+ ] = − log10[10 − 11] = − 1 × −11
log10[10 − 11] = 1
= − 1 × 11 × 1
= − 11

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