Question

How many hydrogen bonded water molecules are associated with $CuSO_{4}.5H_{2}O$?

• A. Five
• B. One
• C. Four
• D. Three

Answer 1

Answer: (B)

One

Answer 2

: Only one water molecule which is outside the coordination sphere is hydrogen bonded. Other four molecules of $H_{2}O$are coordinated.

$\lbrack Cu(H_{2}O)_{4}\rbrack^{2 +}SO_{4}^{2 +}.H_{2}O$