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(a) Write t wo points of difference in t...

(a) Write t wo points of difference in the structures of diamond and graphite
(b) Explain why graphite can be used as a lubricant but diamond cannot.
(c ) Explain why , diamond can be used in rock drilling equipment but graphite cannot.
(d) Stae one use of diamond which depends on its 'extraordinary brilliance ' and one use of graphite which depends on its being black and quite soft.

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LAKHMIR SINGH & MANJIT KAUR-CARBON AND ITS COMPOUNDS-Exercise
  1. (a) What is the unique property of carbon atom? Hopw is this property ...

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  2. (a) Giving their structures , state the number of single bonds , doubl...

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  3. (a) Write t wo points of difference in the structures of diamond and g...

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  4. (a) What is diamond ? Of what substance is diamond made? (b) Describ...

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  5. (a) What is graphite? Of what substance is graphite made? (b) Descri...

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  6. (a) Explain the term isomers. Give one example of isomers. (b) Write...

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  7. (a) What are hydrocarbons? Explain it with examples. (b) Explain the...

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  8. Buckminsterfullerene is an allotropic form of

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  9. Out of the following pairs of compounds the unsaturated compounds are ...

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  10. Pentane has the molecular formula C(5)H(12). It has

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  11. The property of self combination of the atoms of the same element to f...

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  12. A cyclic hydrocarbon having carbon- carbon single bonds as well as car...

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  13. The hydrocarbon 2- methylbutane is an isomer of :

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  14. An unsaturated hydrocarbon having a triple covalent bond has 50 hydrog...

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  15. An alkyne has seventy five carbon atoms in its molecule. The number of...

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  16. A diamond toothed saw is usually used for cutting :

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  17. The organic compound prepared by wholer from an inorganic compound cal...

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  18. One of the following is not an allotrope of carbon . This is :

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  19. The number of carbon atoms in the organic compound named as 2,2-dimeth...

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  20. The pair of elements which exhibits the properity of catenation is :

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