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Graphite is a good conductor of electric...

Graphite is a good conductor of electricity due to the presence of-

A

lone pair of electrons

B

free valence electrons

C

cations

D

anions

Text Solution

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The correct Answer is:
B
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CHHAYA PUBLICATION-SOLID STATE-SOLVED NCERT EXEMPLAR PROBLEMS
  1. Which of the given solids is not an electrical conductor- (i) Mg(s) ...

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  2. Which of the following is not characteristic of ionic solids-

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  3. Graphite is a good conductor of electricity due to the presence of-

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  4. Which of the following oxides behaves as conduator or insulator depend...

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  5. Which of the following oxides shows electrical properties like metals-

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  6. The lattice site in a pure crystal cannot be occupied by-

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  7. Graphite cannot be classified as-

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  8. Cations are present in the interstitial sites in-

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  9. Schottky defect is observed in crystals when-

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  10. Which of the following is true about the charge acquired by p-type sem...

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  11. To get an n-type semiconductor from silicon, it should be doped with a...

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  12. The total number of tetrahedral voids in the face-centred unit cell is...

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  13. Which of the following point defect are shown by AgBr crystals: (i) Sc...

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  14. In which pair most efficient packing is present-

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  15. The percentage of empty space in a body-centred cubic arrangement is-

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  16. Which of the following statements is not true about the hexagonal clos...

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  17. In which of the following structures coordination number for cations a...

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  18. What is the coordination number in a square close-packed structure in ...

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  19. Which kind of defects are introduced by doping-

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  20. Silicon doped with electron-rich impurity forms-

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