Which of the following indicator is used in the titration of oxalic acid against sodium hydroxide solution?

Question

Which of the following indicator is used in the titration of oxalic acid against sodium hydroxide solution? (A) Fluorescein (B) Methyl red (C) Methyl orange (D) Phenolphthalien

Tardigrade Admin · Accepted Answer

Titration of oxalic acid against NaOH is the titration of weak acid against strong base (NaOH) for which phenolphthalein is the best suitable indicator.

Q. Which of the following indicator is used in the titration of oxalic acid against sodium hydroxide solution?

Fluorescein

Methyl red

Methyl orange

Phenolphthalien

Titration of oxalic acid against $N a O H$ is the titration of weak acid against strong base $(N a O H)$ for which phenolphthalein is the best suitable indicator.