1.

(1)NH_ 4^(o+) overset (KOH) underset(K_2HgI_4)toBlue ppt (2) Ni^( 2+ )overset( dmg )underset( OH^-)toRosy red ppt (3)FeCl _ (3(aq)) overset (NH_4OH) togreen ppt (4)CuSO_(4 (aq)) overset("excess")underset(NH_4OH) to Blue Correct reaction are:

Answer»

1,2
2,4
2, 3, 4
1, 3, 4

Answer :B


Discussion

No Comment Found