A Gas Chromatograph Can Be Used to Determine the Relative

question 113

Multiple Choice

A gas chromatograph can be used to determine the relative amounts of reactants and products by

• A) measuring the changes in pressure as the reaction proceeds.
• B) analyzing the intensity of the transmitted light.
• C) separating the components of the mixture, which results in an individual peak for each component and the peaks are quantified.
• D) measuring the degree of the polarization of light.
• E) measuring the change in temperature of the reaction.

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Definitions:

Major Isotopes

The most abundant isotopes of an element, which have a significant presence in nature.

Chlorobenzene

A colorless organic compound consisting of a benzene ring substituted with a chlorine atom.

M/Z 70

A designation in mass spectrometry indicating a particle with a mass-to-charge ratio of 70, often associated with specific fragments in the spectra.

M/Z 127

The mass-to-charge ratio of an ion with a mass of 127 atomic mass units and a charge of one.