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Which of the following is the correct order in the above diagram increasing boiling point,...

Chemistry
JAMB 1980

Which of the following is the correct order in the above diagram increasing boiling point, of the isomeric \(C_{5}H_{12}\) compounds?

  • A. A
  • B. B
  • C. C
  • D. D
  • E. E
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Correct Answer: Option D
Explanation

The boiling points of each of the compounds:

Pentane - 36.1°C ; 2- methylbutane - 27.8°C ; dimethylpropane - 10°C.

Therefore, the order of boiling point in ascending order is Dimethylpropane < 2-methylbutane < pentane.

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