Detail explanation

For the compounds below, provide IR tables to show what peaks would be expected if you submitted the compounds for IR analysis. Indicate approximate peak frequencies and the corresponding functional groups. IR Correlation Chart \begin{tabular}{|c|c|c|} \hline Nitrile CN & 22202260 & medium \\ \hline Aldehyde C=O & 16301780 & strong \\ \hline Aldehyde C-H & 27002900(2 peaks) & variable \\ \hline Ketone C=0 & 16801750 & strong \\ \hline Conjugated Ketone C=0 & 16301690 & strong \\ \hline Carboxylic Acid C=0 & 17101780 & strong \\ \hline Carboxylic Acid O-H & 25003000 & variable \\ \hline Ester C=0 & 17351750 & strong \\ \hline C-O & 10001300 & variable \\ \hline Amide C=0 & 16301690 & strong \\ \hline Amide NH & 33503500 & variable \\ \hline \end{tabular}