for degree of hydrolysis of ammonium acetate? a) h = K h b) h = K K a b c) w a b K h = K .K d) h = K .K K a b w . Dissociation constant of NH OH is . - the hydrolysis constant of NH Cl would be a) .
- b) - . c) . - d) . - Answer the following questions: .
What are Lewis acids and bases? Give two example for each. . Discuss the Lowry – Bronsted concept of acids and bases.
. Indentify the conjugate acid base pair for the following reaction in aqueous solution i)HS (aq) + HF F (aq) + H S(aq) ii) HPO + SO - - - - PO + HSO iii)NH + CO NH + HCO . Account for the acidic nature of HClO in terms of Bronsted – Lowry theory, identify its conjugate base. .
When aqueous ammonia is added to CuSO solution, the solution turns deep blue due to the formation of tetramminecopper (II) complex, [Cu(H O) ] +4NH (aq) [Cu(NH ) ] (aq) + (aq) + , among H O and NH Which is stronger Lewis base. . The concentration of hydroxide ion in a water sample is found to be . M - .
Identify the nature of the solution. XII U8-Ionic XII U8-Ionic - - - - . A lab assistant prepared a solution by adding a calculated quantity of HCl gas at C o to get a solution with [H O ]= M - . Is the solution neutral (or) acidic (or) basic.
. Calculate the pH of . M HNO Solution. .
Define solubility product . Define ionic product of water. Give its value at room temperature. .
Explain common ion effect with an example . Derive an expression for Ostwald’s dilution law . Define pH . Calculate the pH of - .
× M solution of Ba (OH) . 50ml of .05M HNO is