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Why sulphur in vapour state exhibits par...

Why sulphur in vapour state exhibits paramagnetic behaviour at above `800^(@)C`

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In vapour state, sulphur exists as `S_(2)` molecule. `S_(2)` molecule, like `O_(2)` molecule, has two unpaired electrons in the anti-bonding `n^(**)` orbitals. Hence, like `O_(2)` it exhibits paramagnetism
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RESONANCE-NITROGEN & OXYGEN FAMILY-Exercise 1
  1. Nitrogen shows different oxidation states in the range to . It most s...

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

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

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

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

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

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

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

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

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

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  11. What happens when barium azide is heated ?

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

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

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

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

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

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

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  18. On being slowly passed through water, PH(3) forms bubbles but NH(3) di...

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  19. How is hydrazine prepared ?

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  20. Both PH(3) and NH(3) are Lewis bases, but basic strength of PH(3) is l...

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