NEET Chemistry Surface Chemistry Questions Solved


Addition of FeCl3 to K4[Fe(CN)6] in dilute and cold solution gives:

(a) prussian blue sol                        (b) Fe4[Fe(CN)6]3 sol

(c) positive sol                                (d) all of these

(d) Fe4[Fe(CN)6]3 sol is Prussian blue sol of + ve charge.

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