Copper(II) ions give a reddish-brown precipitate with potassium ferrocyanide
CHEMISTRY · Single correct · CBSE · Chemistry · Atoms and Molecules · Atoms and Molecules
Problem
Copper(II) ions give a reddish-brown precipitate with potassium ferrocyanide. The formula of the precipitate is:
(1) Cu4[Fe(CN)6]
(2) Cu2[Fe(CN)6]
(3) Cu3[Fe(CN)6]
(4) Cu3[Fe(CN)6]2