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Fe^(2+) does not give blue colour with...

`Fe^(2+)` does not give blue colour with `K_(4)[Fe(CN)_(6)]` but on its reaction with (X) ,blue colour oppears (X) can be

A

`MnO_(4)^(-)//H^(+)`

B

`Zn//NaOH`

C

`NH_(3)(aq)`

D

all true

Text Solution

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The correct Answer is:
A
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