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Question

The melting point of diamond is very high since the type of bonding in it is :

A
strong covalent bond
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B
ionic bonds
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C
hydrogen bonds
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D
co-ordinate covalent bonds
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Solution

The correct option is B strong covalent bond
Diamond has a polymeric structure with multiple C-C single covalent bonds. The bond energy of each C-C single bond is very high. To melt diamond, these bonds are to be broken, to increase the intermolecular separation. As high temperatures are required to break such strong bonds, diamond melts at a very high temperature.

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