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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_2O)_5(NO)]^(2+)`

B

`FeSO_(4).NO_(2)`

C

`[Fe(H_2O)_4(NO)_2]^(2+)`

D

`FeSO_(4).HNO_(3)`

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The correct Answer is:
A
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ICSE-P-BLOCK ELEMENTS-EXERCISE (PART-I)(OBJECTIVE QUESTIONS)(THE CORRECT ALTERNATIVE FROM THE CHOICES GIVEN : )
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