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Question
Graphite is a ______ conductor of electricity whereas diamond is a ______ conductor of electricity.
Graphite is a ______ conductor of electricity whereas diamond is a ______ conductor of electricity.
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Solution
The correct option is B good, bad
Carbon has a valency of 4. In graphite, one valence electron of each carbon atom remains free. These electrons are free to move between the layers of graphite, making graphite a conductor of electricity.
In diamond, each carbon atom is attached to four other carbon atoms forming a tetrahedral structure and has no free or loosely bound electrons. Thus, diamonds cannot conduct electricity.
Hence, option B is correct.
Carbon has a valency of 4. In graphite, one valence electron of each carbon atom remains free. These electrons are free to move between the layers of graphite, making graphite a conductor of electricity.
In diamond, each carbon atom is attached to four other carbon atoms forming a tetrahedral structure and has no free or loosely bound electrons. Thus, diamonds cannot conduct electricity.
Hence, option B is correct.
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