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Phosphorous has the oxidation state of +...

Phosphorous has the oxidation state of +1 in:

A

Phosphorous acid `(H_(3)PO_(3))`

B

Orthophosphoric acid `(H_(3)PO_(4))`

C

Hypo phosphorous acid `(H_(3)PO_(2))`

D

Hypo phosphoric acid `(H_(4)(P_(2)O_(6))`

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The correct Answer is:
C
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ALLEN-REDOX REACTIONS-EXERICSE - 2
  1. Which of the following species has an atom with +6 oxidation state?

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  2. In the reaction MnO(4)^(-)+SO(3)^(-2)+H^(+)rarrSO(4)^(-2)+Mn^(2+)+H(2)...

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  3. Phosphorous has the oxidation state of +1 in:

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  4. In which of the following compounds iron has lowest oxidation number?

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

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

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

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

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

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

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

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  12. Balance the given ionic equation MnO(4)^(-) + H(2)C(2)O(4) to Mn^(2...

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  13. In the conversion of Br(2)toBrO(3)^-1 the oxidation state of bromine c...

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

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

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

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

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

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

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  20. Oxidation number of carbon in graphite is :-

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