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Pb + conc. HNO(3) gives...

Pb + conc. `HNO_(3)` gives

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Reactions of Cu metal with `HNO_3`:
(i). `Cu+dil.HNO_3overset(Delta)toNO` is evolved (colourless gas)
`3Cu+8HNO_3overset(Delta)to3Cu(NO_3)_2+4H_2O+2NO`
(ii). `Cu+conc.HNO_3overset(Delta)toNO_2` is evolved
`Cu+4HNO_3overset(Delta)Cu(NO_3)_2+2H_2O+2NO_2`
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CENGAGE CHEMISTRY ENGLISH-APPENDIX INORGANIC VOLUME 2-Exercises
  1. How is nitrogen prepared in the laboratory? Write the chemical equatio...

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  2. State three different chemical compounds other than acids manufactured...

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  3. Pb + conc. HNO(3) gives

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  4. Give the resonating structures of NO(2) and N(2)O(5).

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  5. The HNH angle value is higher than HPH, HAsH and HSbH angles. Why? ...

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  6. Why does R(3)P = O exist but R(3)N = O does not (R = alkyl group)?

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  7. Explain why NH(3) is basic while BiH3 is only feebly basic.

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  8. Nitrogen exists as diatomic molecule and phosphorus as P(4). Why?

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  9. Write main differences between the properties of white phosphorus and ...

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  10. Why does nitrogen show catenation properties less than phosphorus ?

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  11. Give the disproportionation reaction of H(3)PO(3).

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  12. Can PCl(5) act as an oxidising as well as a reducing agent? Justify.

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

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

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

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  16. Which aerosols deplete ozone?

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  17. Describe the manufacture of H(2)SO(4) by contact process?

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  18. How is SO(2) an air pollutant?

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  19. Why are halogens strong oxidising agents?

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

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