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The oxidation state of chromium in Cr(CO...

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

A

0

B

`+2`

C

`-2`

D

`+6`

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NARAYNA-REDOX REACTION-Exercise -4
  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 chromium 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 of 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 is there the greatest difference in th...

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  9. In the reaction 3Br(2) + 6CO(3)^(2-) + 3H(2)O to 5Br^(-) + 2BrO(3)^(...

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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 disproportionation 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 a 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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