Question

When KI (excess) is added to

(I) CuSO4

(II) HgCl2

(III) Pb(NO3)2
Choose one:


A white ppt. of Cul in (I), an orange red ppt. Hgl2 in (II) and a yellow ppt. of Pbl2 in (III)


A white ppt. of Cul in (I), an orange red ppt. leading to formation of in (II), and a yellow ppt. of Pbl2 (may dissolve in 6M KI) in (III)


A white ppt. of Cul, Hgl2 and Pbl2 in each case


Yellow brown precipitate in all

Answer 1

answer of your question is 2nd no option

Answer 2

answer is option 2
that is ,

A white ppt. of Cul in (I), an orange red ppt. leading to formation of in (II), and a yellow ppt. of Pbl2 (may dissolve in 6M KI) in (III)