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Phosphorous has the oxidation state of ...

Phosphorous has the oxidation state of `+3` in :

A

phosphours acid `(H_(3)PO_(3))`

B

ortho phosphoric acid `(H_(3)PO_(4))`

C

meta phosphoric acid `(HPO_(3))`

D

pyro phosphoric acid `(H_(4)P_(2)O_(7))`

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The correct Answer is:
a
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GRB PUBLICATION-REDOX REACTIONS-All Questions
  1. Manganese achieves its maximum oxidation state in its compound :

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  2. Oxidation number of underlined elements are N(2)O(5),SO(3)^(2-),NH(4)^...

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

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  4. Which statement is wrong?

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  5. The incorrect order of decreasing oxidation number of S in compound is...

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  6. The reaction 3ClO^(-)(aq)rarrClO(3)^(-)(aq)+2Cl^(-)(aq) an example of ...

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  7. Oxidizing agents are species which :

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  8. In which of the following reactions does H(2)O(2) acts as a resucing a...

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  9. The oxidation number of an atom in a given species (molecule, ion of f...

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

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  11. A compound contains three elements A,B and C, if the oxidation number ...

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  12. Oxidattion is a process in which :

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  13. Which of the following is not a redox reaction?

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  14. Oxidation states of Cu and Fe in CuFeS(2) are respectively :

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  15. What is the oxidation state of Sn in Ca(2)Sn(2)Si(6)O(18) ?

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  16. Consider the salt K(x)H(y)(C(2)O(4))(z).2H(2)O . The relationship be...

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  17. The average oxidation state of sulphur in sodium tetrathonate (Na(2)S(...

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  18. The difference in the oxidation numbers of two types of sulphul atoms ...

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  19. Select the reaction which describes the existence of I(2)O(5)(s) as (I...

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  20. In FeCr(2)O(4) , the oxidation numbers of Fe and Cr are :

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