Why Graphite is a good conductor and diamond is a bad conductor of heat and electricity?

In a graphite molecule, one valence electron of each carbon atom remains free, Thus making graphite a good conductor of electricity. Whereas in diamond, they have no free mobile electron. Hence there won’t be flow of electrons That is the reason behind diamond are bad conductor electricity.

Why is graphite a good conductor of heat but not diamond?

Due to the presence of delocalised electrons in graphite structure , they are able to conduct electricity as well as heat. while diamond because its 4 electrons shared there is no free electron to conduct.

Why graphite is good conductor of heat and electricity?

Answer Expert Verified

graphite is a good conductor of heat and electricity because in graphite each carbon atom has a free electron in its valance shell,free electron are responsible for conductivity of electricity.

Is graphite a bad conductor of heat?

Graphite is a good conductor of heat and electricity because it contains: … Layers of graphite are held by the weak van der wall’s force of attraction. Each layer is composed of planar hexagonal rings of carbon and each carbon atom makes three sigma bonds with three neighbouring carbon atoms.

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Why is graphite a poor conductor of heat?

Answer: Graphite is an allotrope of carbon. … At higher temperature, graphite has an intermolecular structure with immobile ions. Thus, this makes graphite a poor conductor.

Why diamond is bad conductor?

As we know diamond is a giant covalent structure i.e. each carbon atom is covalently bonded with other carbon atoms. So the four outermost electrons, four carbon atoms, are engaged or trapped in the covalent bonds which means that there are no free electrons. … So diamond is a bad conductor of electricity.

Why is diamond a good conductor of heat?

Thermal conductivity

Unlike most electrical insulators, diamond is a good conductor of heat because of the strong covalent bonding and low phonon scattering. Thermal conductivity of natural diamond was measured to be about 2200 W/(m·K), which is five times more than silver, the most thermally conductive metal.

Is diamond a conductor of heat?

Along with its carbon cousins graphite and graphene, diamond is the best thermal conductor around room temperature, having thermal conductivity of more than 2,000 watts per meter per Kelvin, which is five times higher than the best metals such as copper.

Is diamond and graphite a good conductor of heat?

No, graphite is a conductor of electricity due to it’s structure where each atom is bonded with 3 other carbon atoms in sheets held together by weak van der waal’s force. The one electron of each carbon atom is free, which is responsible for conduction of electricity. But it is not a good conductor of heat.

Why graphite is a good conductor Class 11?

In a graphite molecule, one valence electron of each carbon atom remains free. Due to the free electrons in its framework, graphite can perform electricity. Therefore, graphite is said to be a good conductor of electricity.

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Is graphite good thermal conductor?

Graphite is used in pencils and lubricants. It is a good conductor of heat and electricity. Its high conductivity makes it useful in electronic products such as electrodes, batteries, and solar panels.