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A brown ring is formed in the ring test ...

A brown ring is formed in the ring test for `NO_(3)^(-)` ion. It is due to the formation of

A

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

B

`[Fe(H_(2)O)_(5)NO_(2)]^(2+)

C

`[Fe(H_(2)O)_(4)NO_(2)]^(2+)

D

`[Fe(H_(2)O)_(4)NO]^(2+)

Text Solution

Verified by Experts

The correct Answer is:
A
brown ring is formed due to `[Fe(H_(2)O)_(5)NO]^(2+)`
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