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Thermodynamically most stable allotrope ...

Thermodynamically most stable allotrope of carbon is___________

A

Diamond

B

Graphite

C

Fullerenes

D

Coal

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The correct Answer is:
B
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V PUBLICATION-THE p - BLOCK ELEMENTS-QUESTION BANK
  1. Boric acid is polymeric due to -----

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  2. Write the type of hybridisation of each carbon in the compound CH3-C...

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  3. Thermodynamically most stable allotrope of carbon is

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  4. The Elements of group 14 show ----- oxidation states

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  5. If the starting material for the manufacture of silicones is 'RSiCl3',...

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  6. How is carbon monoxide important in metallurgy?

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  7. What is the biological importance of H2 CO3 / HCO3^- equilibriu...

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  8. Give reasons: a. Silicon form compounds with coordination number of ...

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  9. Why does elemental silicon not form a graphite - like structure, where...

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  10. Silianes get easily hydrolysed whereas alkanes do not. Give reasons.

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  11. Diborane is an important hydride of Boron a. During a class room disc...

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  12. Carbon has śeveral allotropic forms. b. Prepare a short note on fulle...

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  13. Why does not silicon form an analogue of graphite? OR Why does element...

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  14. Why carbon forms covalent compounds whereas lead forms ionic compounds...

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  15. Carbon exhibits catenation, whereas silicon does not. Explain.

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  16. SiCl4 forms [SiCl6]^(2-) while C Cl4 does not form [C Cl6]^(2-) Explai...

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  17. when 'CCl4' is mixed with 'H2 O', they become immiscible. Explain.

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  18. The substance which can accept electrons is a Lewis acid. 'BCl3, BF3' ...

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  19. CO2 is a gas but SiO2 is a solid. Give reason.

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  20. Briefly describe the structure of diborane.

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