Interlayer distance in graphite is a. Very small, the layers being tightly packed b. Many times larger than the covalent radius of carbon c. More than twice the covalent radius of carbon d. The same as the covalent radius of carbon

In each hexagonal ring, the C-C bond length is 141.5 pm, as each carbon atom is sp² hybridized which means that only three valence electrons of each carbon atom are involved in forming the σ bond.

π bond is formed by the fourth electron. Over the whole sheet, the π electrons are delocalized and as they are mobile, graphite conducts electricity and heat.

Conductance can occur in a layer or sheet but not from one sheet to another.

Therefore, the interlayer distance in graphite is more than twice the covalent radius of carbon.

Summary:

Interlayer distance in graphite is

1. Very small, the layers being tightly packed

2. Many times larger than the covalent radius of carbon

3. More than twice the covalent radius of carbon

4. The same as the covalent radius of carbon

Interlayer distance in graphite is more than twice the covalent radius of carbon.

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