pH of 0.01 M aq. Solution of HA is 4. Find the value of pK_(a) of HA at 25^(@)C.
Calculate pH of a resultant solution of 0.1 M HA (K_(a)=10^(-6)) and 0.45 M HB (K_(a)=2xx10^(-6)) at 25^(@)C.
Calculate pH of a buffer solution that contains 0.1M NH_(4)OH(K_(b)=10^(-5)) and 0.1 M NH_(4)Cl.
Calculate the [OH^(-)] in 0.01M aqueous solution of NaOCN(K_(b) for OCN^(-)=10^(-10)) :
H_(2) A is a weak diprotic acid. If the pH of 0.1 M H_(2)A solution is 3 and concentration of A^(2-) is 10^(-12) at 25^(@)C. Select correct statement (s)
What is the pOH of 0.1 M KB (salt of weak acid and strong base) at 25^(@)C ? (Given : pK_(b) of B^(-) =7)
Approximate pH of 0.01 M NaHA is calculated by : (K_(a1)=10^(-6) and K_(a2)=10^(-8) are ionization constants of H_(2)A)
Calculate [H^(+)] at equivalent point between titration of 0.1 M, 25 mL of weak acid HA (K_(a) (HA)=10^(-5)) with 0.05 M, 50ml of NaOH solution:
What concentration of HCOO^(-) is present in a solution of weak of 0.01 M HCOOH (K_(a)=1.8xx10^(-4) and 0.01 M HCl?
NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Assertin-Reason Type Questions
