Question

Concentrated H2SO4 will not dehydrate the following complex :

• A. [Cr(H2O)5Cl]Cl2.H2O
• B. [Cr(H2O)4Cl2]Cl.2H2O
• C. [Cr(H2O)6]Cl3
• D. All of these.

Answer 1

Answer: (C)

$Cr(H2O)6$Cl3

Answer 2

Concentrated H2SO4 is dehydrating agent. It will not dehydrate the complex in which H2O molecule is inside the coordination sphere.