At `25^(@)`C dissociation constants of acid HA and base BOH in aqueous solution are same. The pH of 0.01 M solution of HA is 5. The pOH of `10^(-4)` M solution of BOH at the same temperature is :

At 25^(@)C , the dissociation constants of CH_(3)COOH and NH(4)OH in aqueous solution are almost same (10^(-5)) . If pH of same acetic acid solution is 3. The pH solution of NH_(4)OH of same conc. At the same temperature would be

The dissociation constant of benzoic acid at 25^@C is 1xx10^(-4) . The pH of 0.01 M solution of its sodium salt is

"At 25^(0)C the ionisation constant of weak mono acidic base is 10^(-9) .At the same temperature the pH of 0.1M solution of the base is

The dissociation constant of an acid, HA is 1 x 10^-5 The pH of 0.1 M solution of the acid will be

The dissociation constant of weak acid HA is 1 xx 10^(-5) . Its concentration is 0.1 M . pH of that solution is

The dissociation constant of a substituted benzoic acid at 25^(@)C is 1.0 xx 10^(-4) . The pH of 0.01M solution of its salt is :

A weak acid HA and a weak base BOH are having same value of dissociation constants . If pH of 0.01M HA is 4, then pH of 0.01 M BOH will be