Question

4. Identify the cation in each of the following case:

a. NaOH solution when added to the solution ‘A’ gives reddish brown ppt.

b. NH4OH solution when added to the solution ‘B’gives white ppt which dissolves in excess.

c. NaOH when added to solution ‘C’ gives bluish white ppt which is insoluble in excess.

d. NH4OH solution when added to solution ‘D’ gives dirty green ppt which changes to

reddish brown after sometime.

e. NH4OH solution when added to the solution ‘E’ gives bluish white ppt which dissolves in

excess to give deep blue solution.​

Answer 1

Answer:

a). ferric chloride FeCl3

b).Zinc Sulphate ZnSo4

c). Copper Sulphate CuSo4

d).Ferrous Sulphate FeSo4

e).Copper Sulphate CuSo4

Answer 2

Answer:

d. NH4OH solution when added to solution ‘D’ gives dirty green ppt which changes to

reddish brown after sometime.

e. NH4OH solution when added to the solution ‘E’ gives bluish white ppt which dissolves in

excess to give deep blue sol