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The oxidation state of chrominium in Cr(...

The oxidation state of chrominium in `Cr(CO)_(6)` is

A

`0`

B

`+2`

C

`-2`

D

`+6`

Text Solution

Verified by Experts

The correct Answer is:
A
`Cr^(0)(CO^(0))_(6) "Oxidation state of" Cr=0`
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CENGAGE CHEMISTRY-REDOX REACTIONS-Exercises (Single Correct)
  1. For the redox reaction MnO(4)^(ө)+C(2)O(4)^(2-)+H^(o+)rarrMn^(2+)+CO...

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  2. The oxidation state of nitrogen is correctly given for

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  3. The oxidation state of chrominium in Cr(CO)(6) is

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  4. Which of the following is not a redox reaction?

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  5. In the chemical reaction, K(2)Cr(2)O(7)+xH(2)SO(4)+ySO(2)rarrK(2)SO(...

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  6. One mole of N(2)H(4) loses ten moles of electrons to form a new compou...

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  7. When copper is treated with a certain concentration of nitric acid, ni...

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  8. In which of the following pairs in there the greatest difference in th...

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  9. In the reaction 3Br(2)+6CO(3)^(2-)+3H(2)Orarr5Br^(ө)+BrO(3)^(ө)+6HCO...

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  10. In the reaction 2FeCl(3)+H(2)Srarr2FeCl(2)+2HCl+S

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  11. The oxidation number of cobalt in K [Co(CO)(4)] is

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  12. Which of the following is not a disproprotionation reaction? I. NH(4...

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  13. which of the following represent redox reactions? I. Cr(2)O(7)^(2-)+...

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  14. In which of the following cases is the oxidation state of N atom wrong...

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  15. Which of the following is not a disproprotionation reaction?

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  16. The number of moles of K(2)Cr(2)O(7) reduced by 1 mol of Sn^(2+) ions ...

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  17. Which of the following is redox reaction ?

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  18. The oxidation state of Fe in Fe(CO)(5) is

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  19. In which of the following pairs is there the greatest difference in th...

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  20. [Which of the following is not an intermolecular redox reaction?

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