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Why diamond is hard compared with graphi...

Why diamond is hard compared with graphite?

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Why is diamond hard ?

Explain the following and give reasons : (a) diamond is hard, but graphite is soft , (b) diamond is insulator, but graphite is a conductor.

(A): Diamond is an insulator and graphite is a conductor. (R): Diamond is used as abrasive and graphite as lubricant.

(A) Diamond and graphite do not have same crystal structure. (R) Diamond is crystalline while graphite is amorphous

Which type of hybridisation is there in graphite ?

Exlain why diamond is very hard.

Diamond and graphite are

Diamond is hard. This is due to

Diamond is insulator, but graphite is a conductor. Why?

VGS PUBLICATION-BRILLIANT-CARBON AND ITS COMPOUND-EXERCISE
  1. Why does carbon form compounds mainly by covalent bonding?

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  2. Allotropy is a property shown by which class of substances:elements, c...

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  3. Why diamond is hard compared with graphite?

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  4. Identify the unsaturated compounds of the following :CH3-CH2-CH2

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  5. Identify the unsaturated compounds of the following :CH3-CH=CH2

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  6. Why do sometimes cooking vessels get blackened on a gas or kerosene st...

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  7. What are isotones and isomers.

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  8. Draw the structure of isomers of butane.

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  9. What happens when a small piece of sodium is dropped into ethanol?

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  10. What type of reaction takes place between ethane and chlorine?

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  11. What are the two properties of carbon which lead to the huge number of...

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  12. Draw the structure for the following compounds : Propanoic acid

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  13. Draw the structure for the following compounds : Chlorobutane

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  14. Draw the structure for the following compounds : Hexanone

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  15. Draw the structure for the following compounds : Pentanal

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  16. How could you name the following compounds ? CH3-CH2-CH2-Br

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  17. How could you name the following compounds ? CH3-CH2-CH2-CH2-C-=CH

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  18. An organic compound X with a molecular formula C2 H6 O undergoes oxida...

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  19. A mixture of oxygen and ethyne is burnt for welding. Can you tell why ...

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  20. How do you prepare Ethanol from ethene?

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