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.
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