Ionic EquilibriumHard
Question
20 ml, 5 M NaNO2 solution is mixed with 100 ml, 2M HNO2 solution to prepare a buffer solution of pH = 5.7. The Ka of HNO2 is :-
Options
A.10-6
B.10-5
C.4 × 10-6
D.4 × 10-5
More Ionic Equilibrium Questions
Slaked lime, Ca(OH)2 is used extensively in sewage treatment. What is the maximum pH that can be established in Ca(OH)2 ...The solubility of AgCN in a buffer solution of pH = 3.0 is (Ksp of AgCN = 1.2 × 10−16; Ka of HCN = 4.8 × 10−10)...What is the ratio of pH of a solution containing 1 mole of CH3COONa and 1 mole of HCl per litre and the other solution c...pH for the solution of salt undergoing anionic hydrolysis (say CH3COONa) is given by:...An amount of 0.1millimole of CdSO4 is present in 10 ml acid solution of 0.08 M-HCl. Now H2S is passed to precipitate all...