JEE Mains · Chemistry · STD 11 - 8.3. Organic chemistry purification and characterization
\(Fe ^{3+}\) cation gives a prussian blue precipitate on addition of potassium ferrocyanide solution due to the formation of.
- A \(\left[ Fe \left( H _{2} O \right)_{6}\right]_{2}\left[ Fe ( CN )_{6}\right]\)
- B \(Fe _{2}\left[ Fe ( CN )_{6}\right]_{2}\)
- C \(Fe _{3}\left[ Fe ( OH )_{2}( CN )_{4}\right]_{2}\)
- D \(Fe _{4}\left[ Fe ( CN )_{6}\right]_{3}\)
Answer & Solution
Correct Answer
(D) \(Fe _{4}\left[ Fe ( CN )_{6}\right]_{3}\)
Step-by-step Solution
Detailed explanation
\(4 Fe ^{3+}+3\left[ Fe ( CN )_{6}\right]^{-4} \underset{\text { Prussian Blue }}{\longrightarrow} Fe _{4}\left[ Fe ( CN )_{6}\right]_{3}\)
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