Question

The name and formula of the compound of magnesium, chlorine and oxygen used as a drying agent is

• A. magnesium oxychlorite, $Mg(OCl)_2$
• B. magnesium chlorate, $Mg(ClO_3)_2$
• C. magnesium perchlorate, $Mg(ClO_4)_2$
• D. none of the above

Answer 1

Answer: (C)

magnesium perchlorate, $Mg(ClO_4)_2$

Answer 2

Magnesium perchlorate (anhydrone) has strong affinity for water giving $Mg(ClO_4)_2 \cdot 6H_2O$. It loses whole of water when heated at $250^?C$ and drying property is regenerated.