1.

The pH value of 1.0 xx 10^(-8) M HCl solution is less than 8 because

Answer»

HCl is completely ionised at this concentration
the ionization of WATER is negligible
The ionization of water cannot be assumed to be negligible in COMPARISON with this low concentration of HCl
The PH cannot be calculated at such a low concentraion of HCl

Solution :As the solution is ACIDIC, `pH lt 7`. This is because `[H^(+)]`. From `H_(2)O` cannot be neglected in comparison to `10^(-8)`.


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