Multiple choice

Weak Van der Waal's forces exist in which of the following types of crystals?

  1. Molecular crystals

  2. Metallic crystals

  3. Covalent crystals

  4. Ionic crystals

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A Correct answer
Explanation

In molecular crystals, the constituent particles are molecules. These molecules are held together by weak forces known as Van der Waal's forces. Common examples are dry ice, wax, iodine, sulphur, etc.