MCQ practice · SSC Chemistry Board questions · Chapter 5: Chemical Bond
Which compound dissolves in water?
Think it through first, then pick an option.
- a CH₄
- b C₂H₆
- c CH₃OH
- d C₄H₁₀
Answer and explanation
Correct answer: c CH₃OH
Methanol is polar, so it dissolves in water.
Why the other options are wrong
- a CH₄: Methane is non-polar and insoluble. The answer the book supports is CH₃OH.
- b C₂H₆: C₂H₆ has no polar ends; the book's polar example is methanol.
- d C₄H₁₀: C₄H₁₀ has no polar ends and is insoluble.
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