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An original solution of an inorganic sal...

An original solution of an inorganic salt in dilute `HCl` gives a brown colouration with potassium hexacyanidoferrate `(III)` and reddish brown colouration with sodium acetate solution.The cation of the salt is:

A

`NI^(2+)`

B

`Fe^(3+)`

C

`Cu^(2+)`

D

none

Text Solution

Verified by Experts

The correct Answer is:
B
`Fe^(3+)+[Fe(CN)_(6)]^(3-)toFe[Fe(CN)_(6)]` brown colouration
`3Fe^(3+) + 6CH_(3)COO^(-) + 2H_(2)O hArr [Fe_(3)(OH)_(2)(CH_(3)COO)_(6)]^(+) + 2H^(+)`
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