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Why does R3P=O exist but R3N=O does not?...

Why does `R_3P=O` exist but `R_3N=O` does not? (R= alkyl group)

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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
  1. Draw the structures of the following molecule : H3PO2

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  2. How are interhalogen compound formed? What general compositions can be...

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  3. Why does R3P=O exist but R3N=O does not? (R= alkyl group)

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  4. Give reasons for the following : PbCl4 is more covalent than PbCl2 .

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  5. Give reasons for the following : At room temperature, N2 is much less ...

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  6. Why is dioxygen gas but sulphur a solid?

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  7. Why does O3 act as a powerful oxidising agent ?

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  8. Why is BiH3 the strongest reducing agent amongst all the hydrides of G...

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  9. Though nitrogen exhibits + 5 oxidation state, it does not form penta-h...

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  10. Explain: Electron gain enthalpy of chlorine is more negative than fluo...

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  11. The two O-O bond lengths in ozone molecule are identical explain ?

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  12. Complete the following equation : P4+ H2O rarr

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  13. Complete the following reaction : XeF4+ O2F2 overset (143K) rarr

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  14. Draw the molecular structure of the following : XeF2

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  15. Draw the structures of the following : BrF3

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  16. Why does R3P=O exist but R3N=O does not? (R= alkyl group)

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  17. Give reasons for the following: Oxygen has less electron gain enthalpy...

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  18. H3PO2 is a stronger reducing agent than H3PO3. Give reasons..

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  19. Complete the following equation : Ag+ PCl5 rarr

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  20. Complete the following equation : CaF2+ H2SO4 rarr

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