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The compound formed in the brown ring te...

The compound formed in the brown ring test has the formula `[Fe(H_(2)O)_(5)NO]SO_(4)`. The oxidation state of iron in it is 

A

`+1`

B

`+2`

C

`+3`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
A
`[overset(+1)(Fe)(H_2O)_(5)overset(+1)(NO)]SO_(4)^(-2)`
`H_2O` is neutral ligand .
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AAKASH SERIES-REDOX REACTIONS-ADDITIONAL PRACTICE EXERCISE (LEVEL - I (MAIN)) (Straight Objective Type Questions)
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  2. Oxidation number of sulphur in oleum (H(2)S(2)O(7)) is

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  3. The compound formed in the brown ring test has the formula [Fe(H(2)O)(...

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  4. In the reaction of chlorine with dry slaked lime, the oxidation number...

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  5. Oxidation numbers of sodium, mercury in sodium amalgam are

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  6. Chlorine is passed into dilute cold KOH solution. What are the oxidati...

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  7. What is the oxidation number of sulphur in Na(2)S(4)O(6)?

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  8. The oxidation number of nitrogen in NCI(3) is

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  9. What are the oxidation numbers of 'N' in NH(4)NO(3)?

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  10. Iron has the lowest oxidation state in

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  11. The oxidation number of phosphorus in sodium hypophosphite is

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  12. PbS+4H(2)O(2)rarrPbSO(4)+4H(2)O. In this reaction PbS undergoes

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  13. MnO(2)+4HClrarrMnCl(2)+Cl(2)+2H(2)O, In the reaction MnO(2) acts as

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  14. In the reaction P(4)+3OH^(-)+3H(2)Orarr 3H(2)PO(2)^(-)+PH(3) phosp...

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  15. Among the following ion the one that cannot undergo disproportionation

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  16. The reaction is Decomposition but it's not redox reaction

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  17. Which of the following is redox reaction

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  18. Which of the following is metal displacement reaction

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  19. Which of the following is a redox reaction?

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  20. Which of the following is not an example of disproportionation reactio...

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