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Correct formula of the complex formed in...

Correct formula of the complex formed in the brown ring test for nitrates is

A

`Fe SO _(4) .NO`

B

`[Fe (H _(2) O) _(5) NO ] ^( 2+)`

C

`[Fe (H _(2) O ) _(5) NO ] ^(+)`

D

`[Fe (H_(2) O) NO]^(3+)`

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Verified by Experts

The correct Answer is:
B
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The brown ring test for nitrate employs

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