A 0.1 M solution of weak acid HA is 1% dissociated at 25^(@) C To this solution NaA is added till [NaA] = 0.2 M, if the new degree of dissociation of HA = yxx 10^(-5) then what is 'y'?
The pH of 0.02M solution of HF is 2.62. Calculate K_4 of HF. What is the pH of 0.0002M HF solution ?
The pH of 0.01 M solution of acetic acid is 5.0. What are the values of [H^(+)] and K_(a) respectively?
20 ml of 0.1 M NH, solution is titrated with 0.025M HCI solution. What is the pH of the reaction mixture at equivalence point at 25^(@) C ? (K_(b) "of " NH_(3) "is " 2 xx 10^(-6)) .
The degree of dissociation of an acid HA in 0.1 M solution is 0.1%. Its dissociation constant is
The resistance of a conductivity cell containing 0.001M KCl solution at 298 K is 1500 Omega . What is the cell constant if conductivity of 0.001M KCl solution at 298 K is 0.146 xx 10^(-2) S cm^(-1) .
The resistance of a conductivity cell containing 0.001M KCl solution at 298K is 1500Omega .What is the cell constant (in mm^(-1) ). If the conductivity of 0.001 M KCl solution is 2 xx 10^(-3) S mm^(-1)
1.0 M solution of which of the following salts is most basic ?
The pH of 0.05 M aqueous solution of diethyl amine is 12.0. The K_(b), = x xx10^(-3) then what is x value?
NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Assertin-Reason Type Questions
