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Explain the Water is added to calcium ...

Explain the
Water is added to calcium phosphide.

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ARIHANT PUBLICATION-ELEMENTS : NITROGEN FAMILY-CHAPTER PRACTICE ( Short Answer Type Questions )
  1. Arrange PH(3), H(2)S and HCl in order of increasing acidic strength. G...

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  2. Why NCl5 is not formed?

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  3. Explain the Phosphine is prepared in an inert atmosphere of CO(2) or...

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  4. Explain the statement: In most of the oxides of phosphorous, the P-O...

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  5. In what way can it be proved that PH(3) is basic in nature?

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  6. Explain the Phosphine is treated with an acidified CuSO(4) solution.

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  7. Explain the Water is added to calcium phosphide.

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  8. Draw the structures of white phosphorus and red phosphorous. Which one...

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  9. Complete and balance the following chemical reactions. (a) PCl(3) +H...

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  10. Complete the following chemical reactions. (i) I(2) + "conc . HNO"(3...

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  11. Explain why Nitrogen is much less reactive than phosphorus.

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

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  13. Explain the The bond angle in PH(3) is less than that of NH(3).

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  14. Account for the fact: Phosphorus shows variable oxidation states.

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  15. Account for the White phosphorus shows chemiluminescence.

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  16. Account for the BiCI(3) is less covalent than PCI(3) .

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  17. Predict the probable structures of (a) N(2) O(3) (b) NO(2)

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  18. Discuss the pattern of variation in the oxidation state of the followi...

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  19. How is nitrogen prepared in the laboratory? Write the reaction of ther...

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  20. Why does the reactivity of nitrogen different from phosphorous?

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