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Can PCl5 act as an oxidising as well as ...

Can `PCl_5` act as an oxidising as well as a reducing agent ? Justify.

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Phosphorus shows maximum oxidation state of (+5). Hence, it cannot be further oxidized to higher oxidation state than (+5). Thus, `PCl_(5)` cannot act as reducing agent. However oxidation number of phosphorus can be decreased from (+5) to (+3). Thus `PCl_5` can act as a reducing agent.
`underset(0)(2Ag) + underset(+5)(PCl_(5)) to underset(+1)(2AgCl) + underset(+3)(PCl_(3))`
`underset(0)(Sn) + underset(+5)(2PCl_(5)) to underset(+4)(SnCl_(4)) + underset(+3)(2PCl_(3))`
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KUMAR PRAKASHAN-THE P-BLOCK ELEMENTS -SECTION-C TEXTUAL EXERCISE
  1. Why does nitrogen show catenation properties less than phosphorus ?

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  2. Give the disproportionation reaction of H3PO3.

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  3. Can PCl5 act as an oxidising as well as a reducing agent ? Justify.

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  4. Justify the placement of O, S, Se, Te and Po in the same group of the ...

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  5. Why is dioxygen a gas but sulphur a solid ?

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  6. Knowing the electron gain enthalpy values for O to O^(-) and O to O^(2...

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  7. Which aerosols deplete ozone ?

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  8. Write the conditions to maximise the yield of H2SO(4) by Contact proc...

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  9. How is SO2 an air pollutant ?

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  10. Why are halogens strong oxidising agents ?

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  11. Explain why fluorine forms only one oxoacid, HOF.

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  12. Explain why inspite of nearly the same electronegativity, nitrogen for...

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  13. Write two uses of ClO(2)

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  14. Why are halogens coloured ?

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  15. Write the reactions of F2 and Cl2 with water.

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  16. How can you prepare Cl2 from HCl and HCl from Cl2 ? Write reactions on...

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  17. What inspired N. Bartlett for carrying out reaction between Xe and PtF...

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  18. What are the oxidation states of phosphorus in the following: (i) H(...

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  19. Write balanced equations for the following : (i) NaCl is heated with...

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  20. How are xenon fluorides XeF2, XeF(4) and XeF(6) obtained ?

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