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The oxidation number of Cr is +6 in...

The oxidation number of `Cr` is `+6` in

A

`FeCr_(2)O_(4)`

B

`KCrO_(3)Cl`

C

`CrO_(5)`

D

`[Cr(OH)_(4)]^(ө)`

Text Solution

Verified by Experts

The correct Answer is:
B, C
`Fe^(2+)(Cr_(2)O_(4))^(2-): "Oxidation state of" Cr= +3`
b. `K^(o+)[CrO_(3)Cl]^(ө): "Oxidation state of" Cr= +6`

Oxidation state of `Cr= +6`. ( Two peroxo linkage)
d. `[Cr(OH)_(4)]^(ө): "Oxidation state of" Cr= +3`
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CENGAGE CHEMISTRY-REDOX REACTIONS-Exercises (Multiple Correct)
  1. Which of the following statements is//are correct?

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  2. Which of the following statements about the following reaction is//are...

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  3. The oxidation number of Cr is +6 in

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  4. The oxidation number of carbon is zero in

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  5. Which of the following has//have been arranged in order of decreasing...

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  6. The oxidation number of carboxylic carbon atom in CH(3)COOH is

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  7. Which of the following is//are autoredox reactions?

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  8. Which of the following is// disproportionatin reactions?

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  9. For the reaction KO(2)+H(2)O+CO(2)rarrKHCO(3)+O(2), the mechanism of r...

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  10. Which of the following can be used both as an oxidant and a reductant?

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  11. Which molecule represent by the bold atoms are in their highest oxidat...

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  12. Which molecule represent by the bold atoms are in their lowest oxidati...

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  13. Which of the following statements is//are correct about CH(2)=C Cl(2)

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  14. Which of the following statemetns about tailing of Hg is//are correct?

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  15. Which of the following is//are disproportionation redox changes?

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  16. Which of the following statements about the reaction is//are correct? ...

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  17. Which of the following substances undergo(s) disproportionation reacti...

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  18. Which of the following represents redox reactions?

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  19. Consider the redox reaction 2S(2)O(3)^(2-)+I(2)rarrS(4)O(6)^(2-)+2I^...

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  20. Which of the following compounds acts both as an oxidising as wll as a...

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