Fe 3+ cation gives a prassian blue precipitate on addition …

Chemistry Co-ordinatios Compounds JEE Main 2022 Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Fe 3+ cation gives a prassian blue precipitate on addition of potassium ferrocyanide solution due to the formation of:

[Fe(H 2 O) 6 ] 2 [Fe(CN) 6 ]

Fe 2 [Fe(CN) 6 ] 2

Fe 3 [Fe(OH) 2 (CN) 4 ] 2

Fe 4 [Fe(CN) 6 ] 3

Text Solution

Verified by Experts

The correct answer is:

4Fe 3+ +3[Fe(CN) 6 ] -4 Fe 4 [Fe(CN) 6 ] 3

Prussian Blue

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