Equilibrium Question 66
Question: Which of the anhydrous salts when come in contact with water turns blue [AMU 1981, 82]
Options:
A) Ferrous sulphate
B) Copper sulphate
C) Zinc sulphate
D) Cobalt sulphate
Show Answer
Answer:
Correct Answer: B
Solution:
Cu(II) complexes are blue. The four water molecules are attached with secondary valencies of the metal atom e.g. $ [Cu{{(H_2O)}_4}],SO_4 $ . $ H_2O $ .
