Your question: Why is graphite a much more brittle and softer solid compared to diamond which is very hard and tough?

The carbon atoms in graphite appear to bond with weaker intermolecular forces, allowing the layers to move over one another. The weak intermolecular forces are known as the weak Van der Waals forces. Therefore, diamond is hard but graphite is soft and slippery even though both have carbon present in them.

Why is graphite so much softer than diamond?

Graphite is a form of carbon in which the carbon atoms form covalent bonds with three other carbon atoms. … These layers can slide over each other, so graphite is much softer than diamond.

Why is graphite more fragile than a diamond?

The sheets of carbon become bonded by weaker intermolecular forces. It is because of these weak intermolecular forces that the layersof graphite can slide over eachother, making the overall substance a lot weaker than diamond.

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Why graphite is relatively soft and can conduct electrons but diamond is hard and an insulator?

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 do diamond is very hard as compared to the graphite although both are allotropes of carbon explain?

While there are strong covalent bonds between carbon atoms in each layer, there are only weak forces between layers. This allows layers of carbon to slide over each other in graphite. … In this rigid network atoms cannot move. This explains why diamonds are so hard and have such a high melting point.

Why is graphite soft and brittle?

Graphite owes its softness and brittleness to the fact that its carbon atoms are bonded by only three strong covalent bonds in a two-dimensional ‘layer lattice’. Individual layers are very strong, but the layers can be separated by just the slightest disturbance.

Why does graphite break easily?

Graphite is soft because the bonding between its layers of carbon atoms is weak; thus, the layers detach easily from one another whereas in a diamond every carbon electron bonds with all the electrons from its adjacent carbon atom.

What is the 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.

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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.

How does diamond differ from graphite?

Graphite and diamond are two of the most interesting minerals. They are identical chemically – both are composed of carbon (C), but physically, they are very different. … Graphite is very soft and has a hardness of 1 to 2 on this scale. Diamonds are the hardest known natural substance and have a hardness of 10.

Why do graphite and diamond have different properties?

It’s because the carbon atoms are rearranged in a specific geometric shape that gives the diamond its properties. … Graphite however, is when the carbon atoms bond together in sheets – hexagonal-like lattice. Graphite is formed from the carbon atoms resulting from the metamorphism of minerals such as marble, quartz, etc.

What is the relationship between diamond and graphite?

Both graphite and diamonds are made out of pure carbon. The chemical composition of the two is exactly the same. This makes graphite and diamonds allotropes of carbon along with amorphous, which is commonly called soot or carbon black.

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

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.

Is graphite a brittle solid?

When it comes to graphite however, the carbon atoms are arranged planar-triangularly, where each carbon atom is attached to three carbon atoms — forming a planar hexagonal honeycomb lattice. …

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Why is diamond very hard and brittle?

Because diamond is the purest form of carbon and carbon is covalent in nature it can share electrons can’t exchange them, it doesn’t have free electrons like that of metals due to which it doesn’tt support metallic bonding and electrons are bound to remain in their shells ,it has strong packing but no mobility of …

Why graphite is soft and good conductor of electricity?

Graphite is soft lubricant and good conductor of electricity as it has pi bonds. The pi bonds of graphites are are one over another so it is soft lublicant and as it has pi bond so it can conduct electricity.