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Give reasons for the following : PbCl4 i...

Give reasons for the following : `PbCl_4` is more covalent than `PbCl_2` .

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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
  1. How are interhalogen compound formed? What general compositions can be...

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

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

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  4. Why nitrogen is less reactive?

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  5. Why is dioxygen gas but sulphur a solid?

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

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

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

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  9. Why electron affinity of fluorine is less than that of chlorine ?

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

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  11. Write balanced equations for the following reaction : P4 +NaOH + H2O r...

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

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  13. Draw the molecular structure of the following : XeF2

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  14. Draw structure of BrF3.

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

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

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

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  18. Write balanced equations for the following reaction : Ag+ PCl5 rarr

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  19. Complete the following equation : CaF2+ H2SO4 rarr

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  20. Draw the molecular structure of the following : XeF4

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