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BRILLIANT PUBLICATION|Exercise LEVEL-III ( Linked Comprehension Type )|12 Videos
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The K_(a) of a substituted benzoic acid at 298 K is 1 times 10^(-4) . The pH of a 0.01 M aq. solution of its sodium salt at 298 K is
How many moles of HCOONa must be added to 1L of a 0.1 M solution of HCOOH in order to prepare a buffer solution of pH = 3.4? (Given : K_(a) of HCOOH =2 times 10^(-4) at 298 K)
Ka of HCN at 298 K is 1 times 10^(-9) . The pH of a decimolar aq. Solution of HCN at 298 K is
The dissociation constant (K_(a)) of a certain weak monoprotic acid at 298 K is 1 times 10^(-5) . The % dissociation of this acid in its decimolar aqueous solution at 298 K is
A certain weak acid HA has a dissociation constant of 1 times 10^(-4) at 298 K. The equilibrium constant for its reaction with the strong base NaOH is
if a certain weak acid is only 0.1% ionised in its 0.1 M aq. Solution, the ionisation constant (Ka) of the acid is very close to
The dissociation constant of a monobasic acid is 1.0xx10^(-9) . The pH of its 0.1 M aqueus solution is:
BRILLIANT PUBLICATION-CHEMICAL AND IONIC EQUILIBRIUM-Level - III (Linked Comprehension Type Questions)
