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Among these, identify the species with a...

Among these, identify the species with an atom in `+6` oxidation state: .

A

`MnO_(4)^(-)`

B

`Cr(CN)_(6)^(2-)`

C

`NiF_(6)^(2-)`

D

`CrO_(2)Cl_(2)`

Text Solution

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The correct Answer is:
D
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OP TANDON-OXIDATION AND REDUCTION (REDOX REACTIONS)-LEVEL A
  1. Which of the following is not a reducing agent ?

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  2. Equivalent mass of oxidizing agent in the reaction, SO(2)+2H(2)S rar...

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  3. Among these, identify the species with an atom in +6 oxidation state: ...

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  4. On reduction of KMnO(4) by oxalic acid in acidic medium, the oxidation...

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

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  6. In the standardization of Na(2)S(2)O(3) using K(2)Cr(2)O(7) by iodomet...

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  7. In the balanced chemical reaction IO(3)^(ө)+al^(ө)+bH^(ө)rarrcH(2)O+...

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  8. In alkaline medium CIO(2) oxidises to H(2)O(2) and O(2) and itself get...

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  9. The oxidation number of xenon in XeOF(2) is

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

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  11. The oxidation state of iodine in IPO(4) is

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  12. Nitrogen forms a variety of compounds in all oxidation states ranging ...

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  13. In alkaline medium, H(2)O(2) reacts with Fe^(3+) and Mn^(2+) separatel...

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  14. Compound CrO5 has structure as shown ltbtgt The oxidation number f...

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  15. Which of the following chemical reactions depicts the oxidising behav...

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  16. The oxidation numbers of the sulphur atoms in pcroxy- monosulphuric ac...

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  17. When phosphorus reacts with caustic soda, the products are PH(3) and N...

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  18. When hydrogen peroxide is added to acidified potassium dichromate, a b...

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  19. Number of moles of MnO(4)^(-) required to oxidise one mole of ferrous ...

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  20. Oxidation number if iodine in IO(3)^(-), IO(4)^(-),KI and I(2) respect...

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