Propane has a retention time of 4.1 minutes and ethane has a retention time of 2.1 minutes in a particular gas chromatogram. Determine the relative retention of propane to ethane.

Question

Quizplus · Accepted Answer

Relative retention is the ratio of the retention times of two compounds. Therefore, the relative retention of propane to ethane is (retention time of propane)/(retention time of ethane) = 4.1/2.1 = 1.95. Therefore, the correct answer is (A).

Propane Has a Retention Time of 4