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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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1. `H_(2)SO_(4)` is used as an electrolyte in storage batteries.
2. It is used in petroleum refining, detergent industry and in the manufacture of pigments, paints and dyes.
3. It is used in the manufacture of fertilizers such as ammonium sulphate, calcium super phosphate, etc.
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CHHAYA PUBLICATION-P-BLOCK ELEMENTS-SOLVED NCERT TEXTBOOK PROBLEMS
  1. What happens when-Conc. H(2)SO(4) is added to calcium fluoride.

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  2. What happens when- SO(3) is passed through water.

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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 maximise the yield of H(2)SO(4) by Contact pro...

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

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  6. Halogens have maximum negative electron gain enthalpy in the respectiv...

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  7. Although electron gain enthalpy of fluorine is less negative as compar...

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  8. Fluorine exhibits only -1 oxidation state whereas other halogens exhib...

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

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

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

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  12. Write the balanced chemical equation for the reaction of Cl(2) with ho...

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

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

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  15. When HCl reacts with finely powdered iron, it forms ferrous chloride a...

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  16. Deduce the molecular shape of BrF(3) on the basis of VSEPR theory.

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

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  18. Why are elements of Group-18 known as noble gases?

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  19. Noble gases have very low boiling points. Why?

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  20. Does the hydrolysis of XeF(6) lead to a redox reaction?

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