On the basis of the equation pH = – log [H+ ], the pH of 10–8 mol dm–3 solution of HCl should be 8. However, it is observed to be less than 7.0. Explain the reason

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8 months ago

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Here concentration of water cannot be neglected since the solution is very dilute. pH will be less than 7.0. Hence, the total concentration is given as -

  [ H3O+ ] =10-8+10-7M.

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Chemistry NCERT Exemplar Solutions Class 11th Chapter Seven 2025

Chemistry NCERT Exemplar Solutions Class 11th Chapter Seven 2025

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