Which of the following statements is not correct regarding graphite crystal?

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The atoms in each layer is not tightly bonded together

The carbon atoms are arranged in planar layers

Each carbon in graphite is ${sp}^{2}$ hybridised

The binding force between layers is weak allowing the layers to slip over each other

answer is C.

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Detailed Solution

It might be challenging to depict the layer structure of graphite in three dimensions. The arrangement of the atoms in each layer and the spacing between the layers are depicted in the diagram below.

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Three of a carbon atom's electrons are used to create straightforward bonds with its three nearest neighbours. A fourth electron remains in the bonding level after that. Each carbon atom's "spare" electrons spread out across the entire sheet of atoms in one layer.

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