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Why is Bi(V) a stronger oxidant than Sb(...

Why is Bi(V) a stronger oxidant than Sb(V) ?

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Bismuth and antimony both belong to the nitrogen family and exhibit the +5 oxidation state. However, on moving down the group i.e., from antimony to bismuth, the stability of the +5 oxidation state decreases. This is due to the inert pair effect. Thus, Bi(V) is a stronger oxidant than Sb (V)
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(a) Account for the following observations : (i) SF_(1) is easily hydrolysed whereas SF_(6) is not easily hydrolysed. (ii) Chlorine water is a powerful bleaching agent. (iii) Bi (V) is a stronger oxidising agent than Sb(V) (b) What happens when : (i) White phosphorus is heated with concentrated NaOH solution in an inert atmosphere of CO_(2). (ii) XeF_(6) undergoes partial hydrolysis. (Give the chemical equations involved).

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RESONANCE-NITROGEN & OXYGEN FAMILY-Exercise 1
  1. Which allotropic form of sulphur is thermodynamically stable at room t...

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  2. The important source of phosphorus is phosphorite rocks which is mainl...

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  3. Why is Bi(V) a stronger oxidant than Sb(V) ?

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  4. Nitrogen shows different oxidation states in the range to . It most s...

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  5. The tendency to exhibit -3 oxidation state by a group VA element decre...

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  6. Why sulphur in vapour state exhibits paramagnetic behaviour at above 8...

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  7. Write the following for a white phosphorus molecule (a) oxidation st...

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  8. Tellurium forms oxides of the formula TeO, TeO(2) and TeO(3). What is ...

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  9. Write the structure and oxidation number of sulphur in tetrathionate i...

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  10. Bond angle in PH(4)^(+) is higher than that in PH(3).Why ?

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  11. Write the oxyacids of the following {:("Oxide","Oxyacids"),(N(2)O(3)...

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  12. N(2), CO, CN^(-) and NO^(+) are isoelectronic but the former is chemic...

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  13. On moving down the group from O to Te acidic strength increases, why ?

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  14. What happens when barium azide is heated ?

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  15. Which stable elements of 15^(th) and 16^(th) group do not react with w...

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  16. Chemiluminescence is a phenomenon in which on element glows in dark wh...

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  17. Among the hydrides of group 16, water shows unsual boiling point. Why ...

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  18. Ammonium salts generally resemble those of postassium and rubidium in ...

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  19. Write balanced equation when NH(3) is dissolves in (a) water (b) HCl...

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  20. What happens when phosphine is absorbed in mercuric chloride solution ...

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