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Why is PCl(5) more covalent than PCl(3) ...

Why is `PCl_(5)` more covalent than `PCl_(3)` ?

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Why is PCl_(5) molecule more covalent than PCl_(3) molecule ?

(a) Account for the following : (i) PCl_(5) is more covalent than PCl_(3) . (ii) Iron on reaction with HCl forms FeCl_(2) and not FeCl_(3) . (b) Draw sturcture of XeO_(3) .

Account for the following : (i) PCl_(5) is more covalent than PCl_(3) . (ii) Iron on reaction with HCl forms FeCl_(2) and not FeCl_(3) . (iii) The two O-O bond lengths in the ozone molecule are equal.

Give reasons : (i) PCl_(5) is more volatile than PCl_(3) . (ii) O-O bond has lower bond dissociation enthalpy than S-S bond. (iii) F_(2) is stronger oxidising than Cl_(2) .

Why does PCl_(3) fumes in air ?

Why PCl_(5) dissociates to give PCl_(3) and Cl_(2) ?

DINESH PUBLICATION-THE P-BLOCK ELEMENTS -Questions From Board Examinations
  1. Write main differences between the properties of white phospghorus and...

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  2. The two O-O bond lengths in ozone molecule are equal. Assign reason.

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  3. Why is PCl(5) more covalent than PCl(3) ?

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  4. How will you prepare PH(3) from (i) Metal phosphides (ii) H(3)PO(2) ...

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  5. Explain why nitrogen exists as a diatomic molecule and phosphorus at P...

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  6. Why are halogens strong oxidising agents ?

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  7. How will you prepare the following ? Give chemical equations also. (...

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  8. Why phosphorus is more reactive than nitrogen?

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  9. Why are the elements of group 17 generally coloured ?

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  10. How does nitric acid react with (i) Copper (ii) Iron ? Give chemical e...

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  11. What is the basicity of H(3)PO(3) ?

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  12. What happens when barium azide is heated ?

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  13. How are interhalogen compounds formed ? Write general compositions tha...

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  14. Find the total number of diprotic acids among the following: H(3)PO(...

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  15. Why does NH(3) act as a good complexing agent ?

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  16. Which allotropic form of sulphur is most stable ?

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  17. Why is bond angle in NH(4)^(+) ion higher than in NH(3) ?

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  18. Why is the BiH(3) strongest reducing agent amongst all the hydrides of...

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  19. Which poisonous gas is evolved when white phosphorus is heated with co...

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  20. (i) Which allotrope of phosphorus is more reactive and why ? (ii) Ho...

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