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Select the compound in which the oxidati...

Select the compound in which the oxidation number of oxygen is `-1` :-

A

`H_(2)O`

B

`O_(2)F_(2)`

C

`Na_(2)O`

D

`BaO_(2)`

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The correct Answer is:
D
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ALLEN-REDOX REACTIONS-EXERICSE - 2
  1. Phosphorous has the oxidation state of +1 in:

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  2. In which of the following compounds iron has lowest oxidation state?

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  3. Select the compound in which the oxidation number of oxygen is -1 :-

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  4. The equivalent weight of MnSO(4) is half its molecular weight when it ...

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  5. In the balanced equation - [Zn+H^(+)+NO(3)^(-)rarr NH(4)^(-) rarr NH...

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  6. I(2)+KIrarrKI(3) In the above reaction :-

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  7. HNO(2) acts as an oxidant with which one of the following reagent :-

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  8. Match List - I (compound) with list - II (Oxidation state of N) and se...

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  9. In which of the following pair oxidation number of Fe is same :-

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  10. In the balanced equation MnO(4)^(-)+H^(+)+C(2)O(4)^(2-)rarr Mn^(2+)+...

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  11. In the conversion fo Br2 to BrO3^(-) , the oxidation state of Br chan...

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  12. The oxidation number of sulphur in H(2)S(2)O(8) is:

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  13. In which of the following reaction H(2)O(2) acts as reducing agent :-

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  14. In which of the following compounds of Cr, the oxidation number Cr is ...

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  15. Oxidation state of cobalt in [Co(NH(3))(4)(H(2)O)Cl]SO(4) is

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  16. A sulphur containing species that can not be a reducing agent is :-

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  17. In the reaction CH(3)OHrarrHCOOH, the number of electrons that must be...

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  18. Oxidation number of carbon in graphite is :-

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  19. When H(2) reacts with Na, it acts as

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  20. Oxidation number of 'N' in N(3)H (hydrazoic acid) is :-

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