Question
Chemistry Question on coordination compounds
Fe3+ cation gives a Prussian blue precipitate on addition of potassium ferrocyanide solution due to the formation of:
A
[Fe(H2O)6]2 [Fe(CN)6]
B
Fe2[Fe(CN)6]2
C
Fe3[Fe(OH)2 (CN)4]2
D
Fe4[Fe(CN)6]3
Answer
Fe4[Fe(CN)6]3
Explanation
Solution
The correct answer is (D): Fe+3 + K4[Fe(CN)6]→Fe4[Fe(CN)6]3Prussian blue ppt