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The oxidation state of Cr in [Cr(NH(3))(...

The oxidation state of `Cr` in `[Cr(NH_(3))_(4)Cl_(2)]^(+)` is:

A

0

B

`+1`

C

`+2`

D

`+3`

Text Solution

Verified by Experts

The correct Answer is:
D
Let the oxidation state of `Cr=x, NH_(3) =0 ,Cl=-1`
Net charge =+1
`therefore [Cr(NH_(3))_(4) Cl_(2)]^(+)`
`x+4xx0+2(-1) =+1`
` therefore x=+3`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-COORDINATION COMPOUNDS-Exercise 1
  1. The coordination number of Co "in" [Co(NH(3))(5)Cl]Cl(2) is

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  2. A complex compound in which the oxidation number of a metal is ...

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  3. The oxidation state of Cr in [Cr(NH(3))(4)Cl(2)]^(+) is:

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  4. In the complex ion [CoNH(3))(6)]^(3+) , the NH(3) molecules are li...

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  5. The oxidation state of Fe in brown complex [Fe(H(2)O)(5)NO]SO(4) is

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  6. The number of unidentate ligands in the complex ion is called

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  7. The denticity of the ligand N(CH(2)CH(2)NH(2))(3) is

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  8. How many ions are produced from [Co(NH(3))(6)]Cl(3) in solution ?

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  9. The name of the ring structure complex compound formed between ...

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  10. The primary and secondary valencies of chromium in the complex ion, di...

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  11. Potassium ferrocyanide is a

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  12. EDTA has coordination number

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  13. Ligands are

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  14. Which complex gives three chloride ions per formula unit ?

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  15. Which of the following complex species is not expected to exhibit opti...

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  16. The ionisation isomer of [Cr(H(2)O)(4) Cl (NO(2))]Cl

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  17. The IUPAC name of [Co (NH(3))(5)ONO]^(2+) ion is

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  18. The possible number of the stereo isomers in [Cr(en)(2)Cl(2)]^(o+) is ...

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  19. The complexes [Co(NH(3))(6)][Cr(CN)(6)] and [Cr(NH(3))(6)][Co(CN)(6)] ...

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  20. Which can exist both as diastereoisomer and enantiomer ?

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