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Why conc. H2SO4 is viscous and has high ...

Why conc. `H_2SO_4` is viscous and has high boiling point?

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JMD PUBLICATION-THE p-BLOCK ELEMENTS-Example
  1. SO3 has zero dipole moment. Why ?

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  2. Discuss the structure of SF6 on the basis of hybridisation.

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  3. Why conc. H2SO4 is viscous and has high boiling point?

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  4. Which form of sulphur shows paramagnetic behaviour and why ?

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  5. Comment on nature of two S-O bond formed in SO2 molecule. Are the two ...

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  6. Why SF6 is known but SH6 is not known ?

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  7. Among the hydrides of Group 16, water shows unusual physical propert...

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  8. Explain the following : SCl6 is not known but SF6 is known. Why ?

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  9. Explain the following : OF6 does not exist and SF6 exists. Why ?

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

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  11. Why ClF3 exists, but FCl3 does not exist ?

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  12. Why halogens are coloured gases and they are very reactive ? Comment o...

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  13. Bond dissociation energy of F2 is less than Cl2.

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  14. Explain the following : Iodine is more soluble in KI solution than i...

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  15. Explain the following : Fluorine does not show positive oxidation st...

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  16. What are pseudohalogens ? Give example.

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  17. Explain: Electron gain enthalpy of chlorine is more negative than fluo...

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  18. Why electron affinity of fluorine is less than that of chlorine ?

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  19. What are interhalogen compounds ? How interhalogen compounds are pre...

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  20. What are the interhalogen compounds ? Why are these more reactive than...

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