MCQ practice · SSC Chemistry Board questions · Chapter 5: Chemical Bond
Which is a solid at normal temperature?
Think it through first, then pick an option.
- a I₂
- b C₂H₅OH
- c HBr
- d NH₃
Answer and explanation
Correct answer: a I₂
Iodine (I₂) is one of the book's solid covalent molecules.
Why the other options are wrong
- b C₂H₅OH: Ethanol is a liquid at normal temperature.
- c HBr: The book does not give HBr's state; its solid example is I₂.
- d NH₃: NH₃ is a gas at normal temperature. The answer the book supports is I₂.
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