Ionic EquilibriumHard
Question
Salect the correct statement -
Options
A.In a mixture of NH4Cl & NH4OH when further NH4Cl is added pH of mixture decreases.
B.Generally there is no effect of dillution on pH of buffer solution
C.NaHCO3 can not react with HCl in presence of phenolphthalein indicataor
D.There is no sudden change in pH near equivalence point in weak acid-weak base titration.
More Ionic Equilibrium Questions
The correct relationship between the pH of isomolar solutions of Na2O (pH1), Na2S (pH2) Na2Se(pH3) and Na2Te(pH4) is:...Solubility product constant (Ksp) of salts of types MX, MX2 and M3X at temperature ′T′ are 4.0 × 10-s, ...H3A is a weak tribasic acid with Ka1 = 10−5, Ka2 = 10−9 and Ka3 = 10−13. The value of pX of 0.1 M – H3A solution, where ...Let the colour of the indicator HIn (colourless) will be visible only when its ionised form (pink) is 25% or more in a s...The pH of 0.1 M – N2H4 solution is (For N2H4, Kb1 = 3.6 × 10−6, Kb2 = 6.4 × 10−12, log 2 = 0.3, log 3 = 0.48)...