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Question

Graphite is used in making electrodes because:


  1. It has a high melting point

  2. It is soft and slippery

  3. It is a good conductor of electricity

  4. None of these

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Solution

The correct option is C

It is a good conductor of electricity


Graphite is an allotrope of carbon. It is a covalent compound. Graphite is soft in nature.

Graphite is made up of two-dimensional sheets having hexagonal closed structure.
Each carbon atom creates a covalent bond with three other carbon atoms, and the fourth electron establishes a bond.
The atoms' weak van der Waals forces hold the multiple layers together. The electrons are mobile and delocalized across the entire sheet.
As a result, graphite is an excellent electrical conductor and is used in making electrodes.

Hence, option (C) is the correct option.


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