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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) `H_(2)SO_(4)` is used in the manufacture of fertilizers such as ammonium sulphate, calcium super phosphate.
(ii) It is used as an electrolyte in stroge batteries.
(iii) It is used in petroleum refining, detergent industry and in the manufacture of paints, pigments and dyes.
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PRADEEP-P-BLOCK ELEMENTS -NCERT QUESTIONS AND EXERCISES WITH ANSWERS
  1. Comment on the nature of two S–O bonds formed in SO(2) molecule. Are t...

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  2. How is the presence of SO2 detected?

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  3. Mention three areas in which H(2)SO(4) plays an important role.

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  4. Write the conditions to maximize the yield of H(2)SO(4) by contact pro...

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  5. Why is K(a(2)) ltlt K(a(1)) for H(2) SO(4) in water ?

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

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

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

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

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

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  11. Why is ICl more reactive than I(2) ?

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  12. Why is helium used in diving apparatus ?

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  13. Balance the following equation : XeF(6) + H(2)O rarr XeO(2)F(2) + HF

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

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  15. Discuss the general characteristics of Group 15 elements with referenc...

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  16. Why does the reactivity of nitrogen differ from phosphorus?

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  17. Discuss the trends in chemical reactivity of group 15 elements.

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  18. Why does NH(3) form hydrogen reactivity of group 15 elements.

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  19. How is nitrogen prepared in the laboratory? Write the chemical equatio...

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  20. How is ammonia manufactured industrially?

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