Question

Calcium chloride is used as a dehydrating agent because.

• A. It has a strong affinity for water
• B. It has water of crystalline attached to it
• C. It loses water when exposed to air
• D. It has a high melting point.

Answer 1

Answer: (A)

It has a strong affinity for water

Answer 2

: The halides of alkaline earth metals are hygroscopic in nature. $CaCl_{2}$ has a great affinity towards water.