Choose the correct tests with respective observations. (A) {\CuSO}_4 (acidified with acetic acid) + {\K}_4 [ {\Fe}( {\CN})_6] \rightarrow Chocolate brown precipitate. (B) {\FeCl}_3+ {\K}_4 [ {\Fe}( {\CN})_6] \rightarrow Prussian blue precipitate. (C) {\ZnCl}_2+ {\K}_4 [ {\Fe}( {\CN})_6], neutralised with {\NH}_4 {\OH} \rightarrow White or bluish white precipitate. (D) {\MgCl}_2+ {\K}_4 [ {\Fe}( {\CN})_6] \rightarrow Blue precipitate. (E) {\BaCl}_2+ {\K}_4 [ {\Fe}( {\CN})_6], neutralised with {\NaOH} \rightarrow White precipitate. Choose the correct answer from the options given below: [2 Apr 2025 Shift 1]

Correct Answer is : A, B and C only

Salt Analysis

Section: Chemistry

Question : 10 of 36

Marks: +1, -0

Choose the correct tests with respective observations.
(A) CuSO4 (acidified with acetic acid) + K4[Fe(CN)6]⟶ Chocolate brown precipitate.
(B) FeCl3+K4[Fe(CN)6]⟶ Prussian blue precipitate.
(C) ZnCl2+K4[Fe(CN)6], neutralised with NH4‌OH ⟶ White or bluish white precipitate.
(D) MgCl2+K4[Fe(CN)6]⟶ Blue precipitate.
(E) BaCl2+K4[Fe(CN)6], neutralised with NaOH⟶ White precipitate.
Choose the correct answer from the options given below:

[2 Apr 2025 Shift 1]

A, D and E only
B, D and E only
C, D and E only
A, B and C only

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