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Which form of S shows paramagnetic behav...

Which form of S shows paramagnetic behaviour?

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Sulphur, in vapour state partly exists as `S_(2)` molecule which has two unpaired electrons in the antibonding `pi^(**)` orbitals like `O_(2)` , hence, exhibits paramagnetism.
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CHHAYA PUBLICATION-P-BLOCK ELEMENTS-SOLVED NCERT TEXTBOOK PROBLEMS
  1. Why does O(3) act as a powerful oxidising agent?

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  2. How is O(3) estimated quantitatively?

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  3. Which form of S shows paramagnetic behaviour?

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  4. What happens when sulphur dioxide is passed through an aqueous solutio...

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  5. Comment on the nature of two S-O bonds formed in SO(2) molecule. Are t...

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  6. How is the presence of SO^(2) detected?

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  7. What happens when-Conc. H(2)SO(4) is added to calcium fluoride.

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  8. What happens when- SO(3) is passed through water.

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  9. Mention three areas in which H(2)SO(4) plays an important role.

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  10. Write the conditions to maximise the yield of H(2)SO(4) by Contact pro...

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  11. Why is K(a(2))ltltK(a(1)) for H(2)SO(4) in water?

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  12. Halogens have maximum negative electron gain enthalpy in the respectiv...

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  13. Although electron gain enthalpy of fluorine is less negative as compar...

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  14. Fluorine exhibits only -1 oxidation state whereas other halogens exhib...

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  15. Considering the parameters such as bond dissociation enthalpy, electro...

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  16. Give two examples to show the anomalous behaviour of fluorine.

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  17. Sea is the greatest source of some halogens. Comment.

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  18. Write the balanced chemical equation for the reaction of Cl(2) with ho...

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  19. Give the reason for bleaching action of Cl(2).

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  20. Name two poisonous gases which can be prepared from chlorine gas.

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