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 p^(H) of 0.1 M NaCI solution is
A solution consists of 0.2 M NH_4 OH and 0.2 M NH_4Cl . If K_b of NH_4 OH is 1. 8 xx 10 ^(-5) , the [OH^(-) ] of the resulting solution is
Equal volumes of 0.1 M potassium hydroxide and 0.1 M sulphuric acid are mixed . The P^(H) of resulting solution is
pK_(b) of aq. NH_(3) is 4.74 hence pH of 0.01 M NH_(3) solution is
0.1 M AlCl_3 solution is more effective than 0.1M NaCl solution in coagulating arsenious sulphide sol while 0.1 M AlCl_3 , is less effect than 0.1M Na_3 PO_4 , solutions in coagulating ferric oxide sol. Why?
The pH of a buffer solution formed by mixing 30ml of 0.1 M NH_(4) OH and 30ml os 1M NH_(4) Cl solution is 8.6. The pK _(b) of NH-(4) OH is
NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Assertin-Reason Type Questions
