Question

A solution containing NaOH and Na₂CO₃ is titrated against 0.1 M HCl solution using phenolphthalein indicator. At the equivalence point

a. Both NaOH and Na₂CO₃ are completely neutralized

b. Only NaOH is completely neutralized

c. Only Na₂CO₃ is completely neutralized

d. NaOH completely and Na₂CO₃ upto the stage of NaHCO₃ are neutralized.

Answer 1

Correct option is d. NaOH completely and Na₂CO₃ upto the stage of NaHCO₃ are neutralized.