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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

Verified by Experts

The correct Answer is:
B
free valence electrons
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ICSE-SOLID STATE-EXERCISE(PART-I OBJECTIVE QUESTIONS)
  1. Which of the following solids is not an electrical conductor ? (I)Mg...

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  2. which of the following is not the 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 conductor 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 a 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 defects are shown by AgBr(s) crystals ? ...

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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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