Which of the following is not a dehydrating agent? CaCl2 b) Silica gel c) CdCl2 d) P2O5

Which of the following is not a dehydrating agent? CaCl2 b) Silica gel c) CdCl2 d) P2O5

Explanation

The compound that is not a dehydrating agent is CaCl2 (hydrated calcium chloride). 

While anhydrous CaCl2 (calcium chloride) is a dehydrating agent, hydrated CaCl2 (calcium chloride with water molecules attached) does not have the same ability to absorb water.