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Question

In diamond, the number of free electrons are :
  1. 1
  2. 4
  3. 2
  4. 0

A
0
B
1
C
2
D
4
Solution
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The correct option is C 0
In diamond, each carbon atom is sp3 hybridized. Thus each valency of the carbon atom is satisfied by the other carbon atom. Hence, the carbon does not contain any free electrons.

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