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Give one reaction in which SO2 behaves a...

Give one reaction in which `SO_2` behaves as a reducing agent.

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`2KMnO_2 +5SO_2 + 2H_2O rarr K_2SO_4 + 2MnSO_4 + 2H_2SO_4`
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ARIHANT PUBLICATION-GROUP 16 ELEMENTS: OXYGEN FAMILY-QUESTIONS FOR PRACTICE (VERY SHORT ANSWER TYPE QUESTIONS)
  1. Do as directed : H2O,H2S, H2Se, H2Te (Increasing acidic strength)

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  2. H2O is a liquid while hydrogen sulphide is a gas at room temperature....

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  3. Why hydrides of oxygen is a liquid whereas hydride of sulphur is a gas...

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  4. Complete the following reactions: C2H4 + O2 rarr, 4Al+ 3O2 rarr

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  5. How would you account for the following? The two O–O bond lengths in t...

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  6. Why does ozone act as a powerful oxidising agent?

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  7. What is the action of O3 on acidified FeSO4 solution ?

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  8. How the supersonic jet aeroplanes are responsible for the depletion of...

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  9. How is ozone estimated quantitatively?

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  10. What is the shape of ozone molecule ?

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  11. What happens when SO2 is passed through an aqueous solution of Fe (III...

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  12. What happens when SO2 gas is passed through acidified K2Cr2O7 solution...

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  13. Why can't SO2 be collected over water?

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  14. Whether sulphur dioxide is a Lewis base or acid?

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  15. Give one reaction in which SO2 behaves as a reducing agent.

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  16. How is SO2 an air pollutant?

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  17. What is sulphuric anhydride?

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  18. Name one catalyst which is used in the manufacture of sulphuric acid b...

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  19. In the preparation of H2SO4 by contact process, why is SO3 not absorbe...

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  20. Write the conditions to maximise the yield of sulphuric acid by contac...

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