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Give four anomalous properties of nitrog...

Give four anomalous properties of nitrogen.

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Nitrogen shows following anomalous properties.
(i) Smaller size. (ii) High electro negativity.
(iii) High ionisation enthalpy. (iv) Non - availability of d - orbitals.
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SUBHASH PUBLICATION-THE 'P'-BLOCK ELEMENTS-EXERCISE
  1. Give four anomalous properties of nitrogen.

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  2. Though nitrogen exhibit +5 oxidiation state, it does not form pentahal...

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  3. PH(3) has lower boiling point that NH(3) Why ?

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  4. Why pentahalides more covalent than trihalides ?

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  5. Why is BiH3 the strongest reducing agent among all the hydrides of gro...

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  6. Name the gas liberated when aqueous solution of ammonium chloride i...

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  7. What happens when ammonium dichromate crystals are heated ? Give equa...

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  8. How pure nitrogen gas is prepared ? Give equation .

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  9. How ammonia is manufactured by Haber's process ?

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  10. Why does ammonia acts as a lew is base ? Given an example.

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  11. Explain the manufacture of nitric acid by Ostwald's process.

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  12. What is the action of Cone. HNO(3) and dil HNO(3) on copper turnings...

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  13. What is the action of Cone. HNO(3) and dil HNO(3) on zinc metal.

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  14. Name the gas liberated when zinc reacts with dil HNO(3) .

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  15. Name the metals which do not react with Conc. HNO(3) give reason.

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  16. Give two differences between white phosphorus and red phosphorus.

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  17. How is phosphine prepared from calcium phosphide ?

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  18. How phosphine is prepared in the laboratory ?

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  19. Show that PH(3) is basic in nature.

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  20. Give reason: PH(3) has lower melting point than NH(3)

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