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Mention three areas in which H(2)SO(4) p...

Mention three areas in which `H_(2)SO_(4)` plays an important role.

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(i) Sulphuric acid is used for the manufacture of a number of chemicals like hydrochloric acid, phosphoric acid, nitric acid along with a large number of organic compounds.
(ii) A mixture of concentrated nitric acid and concentrated sulphuric acid is used in the manufacture of explosives like picric acid, T.N.T, dynamite etc.
(iii) Dilute solution of acid is employed in petroleum refining in order to remove the unwanted impurities of sulphur.
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DINESH PUBLICATION-THE P-BLOCK ELEMENTS -N.C.E.R.T In-Text Questions
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  2. Which of the following does not react with oxygen directly? Zn,Ti,Pt,F...

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  3. Complete the following reactions : (i) C(2)H(4)+O(2) to (ii) Al +O...

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  4. Why does O(3) act as a powerful oxidising agent ?

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  5. How is O(3) estimated quantitatively ?

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  6. What happens when sulphur dioxide gas is passed through an aqueous sol...

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

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  8. How is the presence of SO2 detected?

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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 H2SO4 by contact process...

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  11. If osmotic pressure of 1M aqueous solution of H(2)SO(4) at 500K is 90....

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

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

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

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

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

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  17. Why is Icl more reactive than I(2) ?

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  18. Why is helium used in diving apparatus ?

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  19. Balance the equation : XeF(6)+H(2)O to XeO(2)F(2)+HF

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  20. Why has it been difficult to study the chemistry of radon ?

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