MCQ practice · SSC Chemistry Board questions · Chapter 11: Mineral Resources: Fossils
What is the boiling point of pentane?
Think it through first, then pick an option.
- a 25.3°C
- b 36.1°C
- c 45.2°C
- d 46.2°C
Answer and explanation
Correct answer: b 36.1°C
According to the book, pentane, the 5-carbon saturated hydrocarbon, boils at 36.1°C.
Why the other options are wrong
- a 25.3°C: 25.3°C is not the book's figure; pentane boils at 36.1°C.
- c 45.2°C: 45.2°C is not in the book; pentane boils at 36.1°C.
- d 46.2°C: 46.2°C is not in the book; pentane boils at 36.1°C.
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