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Gas Chromatography

APCHEM-19BQO6

A mixture of pentane, hexane, and heptane was analyzed by gas chromatography. The boiling points of each component of the mixture are shown below.

Which of the following is MOST likely to represent the identity of each peak in the gas chromatograph?

Compound Boiling Pt ($^{\circ}$C)
$C_5H_{12}$ $$36.1$$
$C_6H_{14}$ $$68.0 $$
$C_7H_{16}$ $$98.4 $$

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Vanschaik, T. "GLC BuAc0 PeAc5 Octane1.png." GLC BuAc0 PeAc5 Octane1.png. Wikimedia Commons, 12 Apr. 2016. Web. 17 Mar. 2016.

A

A = pentane

B = hexane

C = heptane

B

A = heptane

B = hexane

C = pentane

C

A = hexane

B = pentane

C = heptane

D

A = pentane

B = heptane

C = hexane