Equilibrium Question 474

Question: In a solution of acid $ {H^{+}} $ concentration is $ {10^{-10}}M. $ The pH of this solution will be

Options:

A) 8

B) 6

C) Between 6 and 7

D) Between 3 and 6

Show Answer

Answer:

Correct Answer: C

Solution:

As the solution is acidic, pH < 7. This is because $ [{H^{+}}] $ from $ H_2O $

$ ({10^{-7}}M) $ cannot be neglected in comparison to $ {10^{-10}} $ M HCl.



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