Question

pH
The concept of pH was introduced by Sørensen in order to avoid the use of negative exponents in expressing the
concentration of acids and bases.
In pH, p means potentz and 'H' stands for hydrogen.
pH is defined as the negative logarithm to Case 10 of H+ ion concentration (or) logarithmic reciprocal of H+
ion concentration.
1
pH = -log10 [H] or logio
[H]
Similarly,
1
pOH = -log[OH Jor log10
[OH"]
At 25°C, for a neutral solution, [H+] = [OH-] = 10-7 mol ion/L
1
1
The pH = -log10 [H"]
- log10
- log10 10? = 7
10-7
For the acidic solution: [H+] > [OH-] < 10-7 mol ion/L
1
pH = -log10
=<7.
> 10-7
Lower the pH value, the greater will be the acidic strength of the solution.
For the basic solution: [H+] < [OH-] > 10-7 mol ion/L
1
pH = -logio
=> 7
> 10-7
Greater the pH value, greater will be the basic strength of the solution.​

Answer 1

Answer:

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