Question

18. (a) How will you distinguish between the following two
complex salts by chemical tests?
3
(Cr(H,0). Jc.,, (Cr(1,0),cl,]​

Answer 1

Answer:

Double salts exist in solid state but dissociate into constituent ions on dissolution in water. They lose their identity in aqueous solution. Mohr's salt FeSO

4

⋅(NH

4

)

2

SO

4

⋅6H

2

O is a double salt. The aqueous solution of this salt gives the test of Fe

2+

, NH

4

+

and SO

4

2−

ions.