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Practical Organic Chemistry and PurificationhardMCQ SINGLE

Which of the following complexes is violet in colour? 6 4- 6 4- 4 6 3. 2 5 4- 6 4- 6 4- 4 6 3. 2 5 4 — Practical Organic Chemistry and Purification Chemistry Question

Question

Which of the following complexes is violet in colour? 6 4- 6 4- 4 6 3. 2 5 4- 6 4- 6 4- 4 6 3. 2 5 4- (A) [Fe(CN ] (B) [Fe(SCN) ] (C) Fe [Fe(CN )] H O (D) [Fe(CN) NOS]

Answer: C) FE [FE(CN )] H O

💡 Solution & Explanation

(a) [Fe(CN ] Pale yellow solution (b) [Fe(SCN) ] → Blood red colour (c) Fe [Fe(CN )] H O → Prussian blue (d) [Fe(CN) NOS] → Violet colour

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