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JAMB Chemistry 2011 Paper

Question : 7

Total: 47

The molecular lattice of iodine is held together by

Solution:

Concept:

Iodine is a simple molecular substance consisting of

\mathrm{I}_2

molecules.

Explanation:

The atoms within each

\mathrm{I}_2

molecule are held by strong covalent bonds.

Between separate

\mathrm{I}_2

molecules in the molecular lattice, only weak intermolecular forces exist.

These forces are London dispersion forces, which are a type of van der Waal's forces.

Answer:

D. van der Waal's forces

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