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How do we differentiate between Fe^(3+) ...

How do we differentiate between `Fe^(3+) and Cr^(3+) ` in group III ?

A

By adding excess of `NH_4OH` solution

B

By increasing `NH_4^+` ion concentration

C

By decreasing `OH^-` ion concentration

D

Both (2) and (3)

Text Solution

Verified by Experts

The correct Answer is:
D
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