London dispersion forces are the only forces present amongst ?
Correct answer: C. Molecules of solid iodine.
- A. Atoms of helium in gaseous state at high temperature.
- B. Molecules of water.
- C. Molecules of solid iodine.
- D. Molecules of HCl gas.
Explanation
Correct option is C, Iodine is a non-polar molecule as there is an equal sharing of electrons between the two Iodine atoms present. As a consequence, the major intermolecular force of attraction present in iodine are London dispersion forces. This arises from the constant motion of electrons to create a momentary dipole.
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