Why is graphite a good conductor of electricity but Diamond is a non conductor of electricity?

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

Graphite can conduct electricity because of the delocalised (free) electrons in its structure. These arise because each carbon atom is only bonded to 3 other carbon atoms. … However, in diamond, all 4 outer electrons on each carbon atom are used in covalent bonding, so there are no delocalised electrons.

Why does graphite conducts electricity but not diamond Class 10?

Answer: It is because of free electron in graphite. Explanation: Graphite is a good conductor of electricity as each carbon atom is linked to three of its neighbouring carbon atoms. … But diamond do not contain any free electon and all electrons are covalently bonded.

Why is graphite a good conductor of electricity?

Each carbon atom is bonded into its layer with three strong covalent bonds. This leaves each atom with a spare electron, which together form a delocalised ‘sea’ of electrons loosely bonding the layers together. These delocalised electrons can all move along together – making graphite a good electrical conductor.

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Why diamond is a non conductor of electricity?

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.

What is difference between diamond and graphite?

For example, Graphite and diamond are two different allotropes of carbon.

Explain the difference in properties of diamond and graphite on the basis of their structures.

DIAMOND GRAPHITE
1) It has a crystalline structure. 1) It has a layered structure.
2) It is made up of tetrahedral units. 2) It has a planar geometry.

Why is graphite a good conductor of electricity Class 10?

Class 10 Question

Therefore, out of the four valence electrons in a carbon atom, only three are used for bonding and the fourth is relatively free and can move from one carbon atom to the other. These free electrons make graphite a good conductor of electricity.

Why diamond is hard but not graphite?

Diamond is harder than graphite because each of its carbon atoms form four covalent bonds in a tetrahedral structure and also due to the presence of strong covalent bonds in it. … Therefore, diamond is hard but graphite is soft and slippery even though both have carbon present in them.

What does graphite conduct electricity whereas diamond does not?

graphite conduct electricity where as diamond does not because in diamond the carbon atoms are bonded to for others atoms. … therefore, there are delocalised (free) electrons in graphite, which can move and carry a charge so graphite conducts electricty.

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Can a diamond conduct electricity?

Diamond. Diamond is a form of carbon in which each carbon atom is joined to four other carbon atoms, forming a giant covalent structure. … It does not conduct electricity as there are no delocalised electrons in the structure.

Why is graphite The only non-metal that conducts electricity?

In graphite each carbon is bonded to three other carbon atoms hence leaving behind a free electron. Due to the presence of this one delocalised electron, graphite is a good conductor of electricity. However, graphite is the only non-metal that can conduct electricity.

Is diamond a good conductor of heat?

Diamond is the most highly prized of gemstones. … 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.