Multiple choice

Which of the following caesium salts is used in gravimetric analysis?

  1. Caesium nitrate

  2. Caesium chromate

  3. Caesium perchlorate

  4. Caesium sulphate

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Caesium perchlorate ( CsClO4 ) forms white hygroscopic crystals, which are soluble in water and ethanol. CsClO4 is the least soluble of the alkali metal perchlorates (followed by Rb, K, Li, and Na), a property which may be used for separatory purposes and even for gravimetric analysis.