Post Utme Mountain Top University 2020 Chemistry Question 34

Practice objective / multiple choice question 34 from the 2020 Post Utme Mountain Top University Chemistry examination.

Post Utme Mountain Top University 2020 Chemistry Objective / Multiple Choice
Question 34 POST_UTME_MOUNTAIN_TOP_UNIVERSITY • 2020 • CHEMISTRY • objective
Post Utme Mountain Top University 2020 Chemistry Question 34 diagram

A mixture of 2.0 g of n-hexane (C6H14) and 1.0 g of cyclohexane (C6H12) is analyzed by gas chromatography. If the retention time for n-hexane is 10 minutes and the retention time for cyclohexane is 15 minutes, what is the percentage composition of the mixture?

Answer Options

A. 20% n-hexane, 80% cyclohexane
B. 30% n-hexane, 70% cyclohexane
Correct Answer C. 40% n-hexane, 60% cyclohexane
D. 50% n-hexane, 50% cyclohexane
Correct Answer
C
Correct Option:
40% n-hexane, 60% cyclohexane

About This Question

This is Post Utme Mountain Top University 2020 Chemistry Question 34. It is one of the objective questions from the 2020 Post Utme Mountain Top University Chemistry examination.

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