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Give the principle of manufacture of H2S...

Give the principle of manufacture of `H_2SO_4` by contact process.

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USHA PUBLICATION-P-BLOCK ELEMENTS( GR-15,GR16,GR17,GR18)-EXERCISE
  1. Do as directed : H2O,H2S, H2Se, H2Te (Increasing acidic strength)

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  2. HF can form the salt KHF2 while HCl does not form KHCl2. Explain.

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  3. Give the principle of manufacture of H2SO4 by contact process.

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

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  5. How does xenon react with O2F2 at -118^@C ?

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  6. Why does xenon form compounds only with fluorine and oxygen ?

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  7. What happens when H2S gas is passed through chlorine water ?

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  8. Why is H2SO4 called as king of the chemicals?

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  9. Tailing of mercury is due to formation of .

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  10. What happens when copper turnings are heated with conc. H2SO4 ?

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  11. Explain why SO2 is more powerful reducing agent in alkaline medium tha...

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  12. In contact process SO3 is not directly dissolved in water, explain why...

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  13. How does hydrofluoric acid react with sand ?

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  14. What happens when Zinc metal is treated with dilute H2SO4 ?

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  15. Explain that bleaching action of CL2 is permanent, while that of SO2 i...

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  16. Explain that bleaching action of CL2 is permanent, while that of SO2 i...

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  17. What happens when SO2gas is passed through lime water first slowly and...

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  18. How does Ozone react with KI solution ?

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  19. Write the shapes and type of hybridisation of the following molecules ...

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  20. How does ozone react with SnCl2

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