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Why PH(3), has lower boiling point than ...

Why `PH_(3)`, has lower boiling point than `NH_(3)`?

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SHARAM PUBLICATION-GROUP 15 ELEMENTS (NITROGEN FAMILY-EXERCISE
  1. Mention the conditions required to maximise the yield of ammonia.

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  2. Write the reaction of thermal decomposition of sodium azide.

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

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  4. Why NO2 dimerise to N2O4 ?

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  5. PCl5 exists but NCl5 does not because,

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  6. Nitrogen does not form pentahalides. Why?

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  7. Why Bi does not form pentahalide ?

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  8. Why is NH3 more basic than PH3 ?

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  9. Account for the Phosphorous shows high tendency for catenation

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  10. Explain, why stability of +5 oxidation state decreases down the group ...

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  11. Why is H3PO3 dibasic , even though it contains three H-atoms ?

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  12. Why does metallic character of Gr 15 elements increases down the group...

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  13. On moving down the group, the covalent and ion radii increases with in...

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  14. Why does nitrogen exist as a diatomic molecule and is a gas at room te...

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  15. What happens when aqueous solution of NH3 reacts with AlCl3 solution ?

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  16. What happens when dil NH4OH is added to AgCl precipitate ?

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  17. What are the favourable conditions for synthesis of NH3 by Haber's pro...

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  18. The b.p of hydrides of Group 15 increase regularly as we move from PH3...

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  19. Explain why the reducing power for the hydrides of Gr-15 increases dow...

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  20. NF3 is stable, but NCl3 NBr3 and NI3 are unstable. Why ?

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