Weak acids dissociate partially in aqueous medium. If any common ion is present in the solution, the degree of dissociation of the acid is suppressed however the dissociation constant value remains constant. What is the degree of dissociation of water is 0.0IM HCOOH (K_(a) = 10^(-6)) at 25^(@) C?
100 ml of 0.1 M HCl and 100 ml of 0.1 M HOCN are mixed . What is the concentration of .. OCN ^(-).. , and pH of the solution ? (K_a=1.2 xx 10^(-6) )
The degree of dissociation of 0.1 N CH_3 COOH is (given K_a=1xx10^(-5) ) approximately
For which of the following reactions, the degree of dissociation (alpha) and equilibrium constant (K_(p)) are related as K_(p) = (4 alpha^(2) p)/((1 - alpha^(2)))
The ionic product of water is 10^(-14) . What is the hydrogen ion concentration of a 0.1 M NaOH solution?
K_a for HF is 3.2 xx 10^(-4) . Calculate the percentage of dissociation in 0.02 M HF solution.
The ionization constant of phenol is 1.0xx10^(-10) . What is the concentration of phenolate ion in 0.05M solution of phenol? What will be its degree of ionization if the solution is also 0.01M in sodium phenolate ?
What can be permitted concentration of Ag^(+) ions in 0.1 M HCN solution buffered at pH =3 without causing precipitation of AgCN. K_(sp) " of " AgCN =1.2 xx 10 ^(-16) ,K_a " of " HCN = 4.8 xx 10^(-10 )
NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Assertin-Reason Type Questions
