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Which of the following oxidation numbers...

Which of the following oxidation numbers is not correctly matched ?

A

`HClO_(4)`

B

N in `[Ni(CN)_(6)]^(4-)=+2`

C

P in `Mg_(2)P_(2)O_(7)=+6`

D

Cr in `(NH_(4))_(2)Cr_(2)O_(7)=+6`

Text Solution

Verified by Experts

The correct Answer is:
C
`Mg_(2)P_(2)O_(7)=+5`
`2(+2)+2x-14=0`
`2x=10 rArr x= +5`
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NCERT FINGERTIPS-REDOX REACTIONS-Oxidation Number
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  2. Which compound among the following has lowest oxidation number of chlo...

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  3. Which of the following oxidation numbers is not correctly matched ?

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  4. Examples of few compounds in a particular oxidation state are given. ...

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

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  6. Which is not true about the oxidation state of the following elements ...

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  7. O.N of Fe in K(4)[Fe(CN)(6)] is

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  8. Arrange the following in increasing order of oxidation state of Ni. ...

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  9. The correct sequence of the oxidation state of underlined elements is ...

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  10. What are the oxidation states of phosphorus in the following compounds...

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  11. In which of the following compounds carbon is in highest oxidation sta...

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  12. The oxidising state of molybdenum in its oxo complex species [Mo(2)O...

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  13. Oxidation number of P in Ba(H(2)PO(2))(2) is

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  14. Which of the following can act as oxidising as well as reducing agent?

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  15. When a piece of sodium metal is dropped in water, hydrogen gas evolved...

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  16. In the reaction, I(2)+2S(2)O(3)^(2-) rarr 2I^(-)+S(4)O(6)^(2-). Eq...

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  17. In the reaction :Cl(2)+OH^(-)rarrCl^(-)+ClO(4)^(-)+H(2)O :-

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  18. Consider the following reaction : HCHO+2[Ag(NH(3))(2)]^(+)+3OH^(-)rarr...

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  19. Identify the compounds which are reduced and oxidised in the followin...

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  20. Identify the oxidant and reductant in the following redox reaction: ...

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