MCQ practice · SSC Chemistry Board questions · Chapter 5: Chemical Bond
Which has the weakest van der Waals force?
Think it through first, then pick an option.
- a S₈
- b I₂
- c O₂
- d C₁₀H₈
Answer and explanation
Correct answer: c O₂
O₂ is a gas; between gaseous covalent molecules there is hardly any force.
Why the other options are wrong
- a S₈: Sulfur is a solid, so its force is larger.
- b I₂: Iodine is a solid, so its force is larger.
- d C₁₀H₈: Naphthalene is a solid, so its force is larger.
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