Question

For the separation of which of the following substances, Gas-solid chromatography is being used?

(a) Thermally stable organic components

(b) Volatile organic components

(c) Thermally stable inorganic components

(d) Low molecular weight gaseous species

I have been asked this question by my college professor while I was bunking the class.

Query is from Gas Chromatography topic in chapter Chromatography of Analytical Instrumentation

Answer 1

Right option is (d) Low molecular weight gaseous species

For explanation: Gas-solid chromatography is used for the separation of low molecular weight gaseous species. Its application is limited because of semi-permanent retention of the analyte.