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The brown - ring complex compound of iro...

The brown - ring complex compound of iron is formulated as `[Fe(H_2O)_5(NO)]SO_4` . The oxidation state of iron is :

A

`+1`

B

`+2`

C

`+3`

D

`+4`

Text Solution

Verified by Experts

The correct Answer is:
A
This is a well known complex formed during brown ring test of nitrate ion.
` x + 5(0) +1 -2 = 0`
x= +1
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ERRORLESS-COORDINATION COMPOUNDS-NCERT BASED QUESTION (NOMENCLATURE, OXIDATION STATE)
  1. The IUPAC name of K2[Cr(CN)2O2(O)2(NH3)] is

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  2. Which of the following has highest molar conductivity

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  3. The brown - ring complex compound of iron is formulated as [Fe(H2O)5(N...

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  4. The coordination number and oxidation state of Cr in K(3)[Cr(C(2)O(4))...

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  5. Name the complex Ni(PF3)4

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  6. The IUPAC name of [Co(NH3)6[Cr(C2O4)3] is

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  7. As per IUPAC name , the name of the complex [Co(en)(2)(ONO)Cl]Cl is

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  8. The oxidation state of cobalt in the following molecule is

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  9. [Co(NH3)5Br]SO4 and [CO(NH3)5SO4]Br are examples of which type of isom...

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  10. [CO(NH3)4Cl2]NO2 and [Co(NH3)4Cl*NO2]Cl are……………isomers

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  11. Which of the following compounds exhibits linkage isomerism?

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  12. The complexes [Co(NH3)6][Cr(C2O4)3] and [Cr(NH3)6][Co(C2O4)3] will h...

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  13. [Pt(NH3)4Cl2]Br2 and [Pt(NH3)4Br2]Cl2 are related to each other as

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  14. Types of isomerism shown by [Cr(NH3)5NO2]Cl2 is

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  15. [Fe(NO2)3Cl3] and [Fe(O-NO3Cl3] are

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  16. [Cr(NH(3))(6)]Cr(SCN)(6) and [Cr(NH(3))(2)(SCN)(4)][Cr(NH(3))(4)(SCN)(...

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  17. Which of the following can participate in linkage isomerism

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  18. Octahedral complex

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  19. Which of the following compounds shows optical isomerism?

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  20. Indicate the complex ion which shows geometrical isomerism :

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