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Which of the following statement(s) is (...

Which of the following statement(s) is (are) true for Mohr's salt ?

A

It does not decolourises `KMnO_4` solution

B

It is a double salt

C

Oxidation state of Fe is +3

D

It is a secondary standard solution

Text Solution

Verified by Experts

The correct Answer is:
B
Moh.s salt `(NH_4)_2.Fe(SO_4)_2. 6H_2O, Fe^(+2)` changes to `Fe^(+3)` with `KMnO_4` solution
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