Identification of Unknown Ketone Lab

Pre-Lab Table

Data

2-Butanone

4-methyl-2-pentanone

Acetone

2-Pentanone

Unknown #7

Post-Lab Questions

1.) In the Pre-Lab table, you predicted the elition order of ketones. Did the chromatogram of the ketone mixture support your prediction? Explain.

2.) Identify the ketones that are present in your unknown mixture. Support your identification.

3.) Based on the results of your testing, predict the retention time of diethyl ketone. Explain your prediction.

\begin{tabular}{|c|c|c|} \hline Compound & Boiling point (C) & Predictedelutionorder(14) \\ \hline 2-butanone & 79.6 & 2 \\ \hline 4-methyl-2-pentanone & 128 & 4 \\ \hline acetone & 117 & 4 \\ \hline 2-pentanone & 56 & 1 \\ \hline \end{tabular} Analysis of Unknown Mixture: Unknown \# 7 Signal (mV) [