MCQ practice · SSC Chemistry Board questions · Chapter 5: Chemical Bond
Which has the strongest intermolecular force?
Think it through first, then pick an option.
- a H₂
- b N₂
- c Cl₂
- d I₂
Answer and explanation
Correct answer: d I₂
I₂ is a solid; between solid covalent molecules the van der Waals force is larger.
Why the other options are wrong
- a H₂: H₂ is a gas, with very little attraction between its molecules.
- b N₂: N₂ is a gas, with very little attraction.
- c Cl₂: Cl₂ is a gas, so the attraction is small.
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