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The oxidation state of phosphorus is max...

The oxidation state of phosphorus is maximum in

A

Phospine `(PH_(3))`

B

Diphosphine `(P_(2)H_(4))`

C

Metaphosphoric acid `(HPO_(3))`

D

Phosphorus acid `(H_(3)PO_(3))`

Text Solution

Verified by Experts

The correct Answer is:
C
`Hoverset(+5)(PO_(3)) gt H_(3)overset(+3)(PO_(3)) gt overset(-2)(P_(2))H_(4) gt overset(-3)(PH_(3))`
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NARAYNA-SOME BASIC CONCEPTS IN CHEMISTRY STOICHIOMETRY (PART-I)-All Questions
  1. Iron in lowest oxidation state is in

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  2. Oxidation state of nitrogen is not an integer in

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  3. The oxidation state of phosphorus is maximum in

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  4. The oxidation state of oxygen is maximum in

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  5. The oxidation number of chlorine is maximum in

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  6. One of the following element always exhibits only-1 oxidation state in...

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  7. Bromine reacts with hot aqueous alkali to give bromide and bromate. Wh...

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  8. Which of the following statements is wrong ?

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  9. The conversion of Glucose to carbon dioxide with respect to carbon is

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  10. In the reaction P + NaOH rarr PH(3) +NaH(2)PO(2)

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  11. Which of the following can be used both as an oxidant and a reductant?

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  12. Which does not undergo comproportionation reaction?

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  13. The oxidation number of Oxygen in KO(2) is

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  14. The oxidation number and covalency of sulphur in the sulphur molecule ...

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  15. Na(2)SO(3)+H(2)O(2) rarr Na(2)SO(4) +H(2)O, in reaction

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  16. In which of the following compounds, sulphur atom has different oxida...

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  17. Change in oxidation number is maximum in the following reaction

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  18. Which of the following are neutral oxide?

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  19. The oxidation state of N in HNO(4) is

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  20. Which of the following can acts as a reducing agent ?

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