JAMB Chemistry 2010 Objective — Question 46
Question 46 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2010 Objective paper, with the correct answer and a full explanation.
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46. The correct order of increasing boiling points of the compounds C7H16, C4H10 and C3H7OH is A. C7H16 -> C3H7OH -> C4H10 B. C4H10 -> C3H7OH -> C7H16 C. C3H7OH -> C4H10 -> C7H16 D. C4H10 -> C7H16 -> C3H7OH
- A. C7H16 -> C3H7OH -> C4H10
- B. C4H10 -> C3H7OH -> C7H16
- C. C3H7OH -> C4H10 -> C7H16
- D. C4H10 -> C7H16 -> C3H7OHCorrect
Explanation
C3H7OH has the highest boiling point because it has a polar (OH) group, which allows hydrogen bonding. C4H10 -> C7H16 -> C3H7OH is the correct order of increasing boiling points.
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