Question

Of the following compounds, which would you expect to elute first from a nonpolar gas chromatographic column?

• A. Methanol
• B. Ethanol
• C. n-Propanol
• D. n-Butanol

Answer 1

The correct option is A Methanol

In gas chromatography, according to the thumb rule, the component with a lowest boiling point will write first, from the given options methanol is having a lowest boiling point and it will elute first.