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Define inert pair effect....

Define inert pair effect.

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The reluctance of the pair of s-electrons of the valence shell of an element to take part in bond formation is known as Inert pair effect.
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BETTER CHOICE PUBLICATION-THE P-BLOCK ELEMENTS-QUESTION BANK
  1. Define inert pair effect.

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  2. Unlike "In"^+, Tl^+ is most stable with respect to disproportionation...

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  3. Explain inert pair effect with example.

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  4. A mixed oxide of iron and chromium, FeO.Cr2O3 is fused with sodium car...

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  5. Bismuth is a strong oxidising agent in the pentavalent state.

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  6. Explain why the first elements of a group differ from other elements o...

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  7. Why does Nitrogen show anomalous behaviour in its group ?

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  8. Nitrogen exists as diatomic molecule and phosphorous acts as tetra ato...

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  9. Why does the reactivity of nitrogen differ from phosphorus?

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  10. Give reasons for the low reactivity of nitrogen molecule.

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  11. Why does NH3 form hydrogen bond but PH3 does not?

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  12. PH3 has lower boiling point than NH3. Why?

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  13. Although fluorine is much more electronegative than hydrogen yet the d...

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  14. NCl3 is an endothermic compound while NF3 is an exothermic compound. e...

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  15. Explain some important characteristics of white and yellow phosphorus.

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  16. Why does nitrogen show catenation properties less than phosphorus ?

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  17. Unlike Phosphorus, nitrogen shows little tendency for catenation. Why?

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

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  19. In the structure of HNO3 molecule, N-O bond (121 pm) is shorter that N...

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  20. SF6 molecule is kinetically an inert substance. Explain why?

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