Question

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

(A) It gives a brown precipitate with Cu²⁺ ions. 

(B) It gives a white precipitate of mixed salt with Ca²⁺ ions. 

(C) It in excess gives a bluish white precipitate with Zn²⁺ 

(D) It develops a deep red colouration with Fe³⁺ 

Answer 1

(A) It gives a brown precipitate with Cu²⁺ ions. 

(B) It gives a white precipitate of mixed salt with Ca²⁺ ions. 

(C) It in excess gives a bluish white precipitate with Zn²⁺