1.

Which of the following is/are correct for potassium ferrocyanide ?

Answer»

It GIVES a brown precipitate with `Cu^(2+)` ions.
It gives a white precipitate of mixed salt with `Ca^(2+)` ions.
It in EXCESS gives a BLUISH white/white precipitate with `Zn^(2+)`
It develops a deep red COLOURATION with `Fe^(3+)`

SOLUTION :N//A


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