Multiple Choice

Which of the following are primary standard?

AOxalic acid
Correct Answer
BPotassium permanganate
CPotassium dichromate
Correct Answer
DSodium hydroxide

Solution

A primary standard is a reagent that is extremely pure, stable, has no water of hydration and has a high molecular weight . Some primary standards are sodium carbonate, potassium hydrogen iodate, potassium dichromate, oxalic acid etc

SIMILAR QUESTIONS

Redox Reactions

Give reasons: Carbon cannot reduce the oxides of Na or Mg.

Redox Reactions

KMnO4 acts as an oxidizing agent in acidic medium. The number of moles of KMnO4 that will be needed to react with one mole of sulphide ions in acidic solution is:

Contact Details