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How do we differentiate between Fe3+ and Cr3+ in group III?

How do we differentiate between Fe3+ and Cr3+ in group III?

Grade:11

1 Answers

upender surepally
126 Points
8 years ago

Cool NH4 ions are increased to suppress release of OH- ions, hence solubility product of Fe(OH)3 is attained. Colour of precipitate is different.

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