Question

1) --------is used as primary standard for standardization of NaOH.
a. Sodium carbonate
b. Sodium bicarbonate
c. Sodium chloride
d. Oxalic Acid​

Answer 1

Oxylic Acid is used as a primary standard for standardization of NaOH.

Answer 2

Oxalic Acid is used as the primary standard for the standardization of NaOH. (option d)

• Oxalic Acid is an organic compound.
• Its IUPAC name is Ethanedioic Acid.
• Oxalic acid is a primary standard used for preparing standard solutions without changing the chemical composition.
• Oxalic acid which is found to be in its purest form does not change the concentration of the solution being prepared.
• It determines if the concentration of the standard solution being prepared is the same or not.