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Give the oxidation of Na2SO3 by acidifie...

Give the oxidation of `Na_2SO_3` by acidified `KMnO_4`.

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Reactions of `SO_3` with acidified `KMnO_4` decolourise acidified pot. permanganate solution which is deep purple in colour.
`2KMnO_4 + 3H_2 SO_4 to K_2 SO_4 + 2MnSO_4 + 3H_2 O + 5[O]`
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BETTER CHOICE PUBLICATION-THE P-BLOCK ELEMENTS-QUESTION BANK
  1. Write the reaction of SO2 with Cl2

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  2. Write the reaction of SO2 with Cl2

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  3. Give the oxidation of Na2SO3 by acidified KMnO4.

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  4. Give the formula and structures of different oxo-acids of sulphur ?

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  5. Describe the manufacture of H2SO4 by contact process?

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  6. Explain the manufacture of sulphuric acid by contact process.

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  7. Write the conditions for maximum yield of H2SO4 by contact process.

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  8. Give an example of a reaction in which H2 SO4 behaves as a strong acid...

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  9. Give an example of a reaction in which H2 SO4 behaves as a dehydrating...

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  10. Give an example of a reaction in which H2 SO4 behaves as an oxidising ...

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  11. Describe the commerical uses of sulphuric acid.

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  12. Mention three areas in which H2SO4 plays an important role.

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  13. Why conc. H2 SO4 is viscous and has high boiling point ?

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  14. Why is K(a2) << k(a1) for H2SO4 in water?

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  15. Why conc. sulphuric acid is always diluted by adding sulphuric acid to...

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  16. Write the chemical equation when: Oxalic and reacts with concentrated ...

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  17. Write the chemical equation when: Formic acid reacts with concentrated...

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  18. Write the chemical equations when: Sugar reacts with conc. H2SO4.

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  19. SO3 has zero dipole moment. Why ?

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  20. Why does fluoriue show anomalous behaviour in its group ?

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