Question: The molecular formula of this unknown compound is C11H14O. a) Assign all absorption peaks based on the IR spectrum given. b) Assign all signals in the 1H NMR spectrum to its respective hydrogen atoms. c) Draw the structure of the unknown compound and its IUPAC name. *Justify and provide explanation.

nlnmNmmmm \begin{tabular}{cll} Normal Carbon & DEPT-135 & DEPT-90 \\ \hline 14ppm & Positive & No peak \\ 22 & Negative & No peak \\ 26 & Negative & No peak \\ 38 & Negative & No peak \\ 128 & Positive & Positive \\ 129 & Positive & Positive \\ 133 & Positive & Positive \\ 137 & No peak & No peak \\ 200 & No peak & No peak \end{tabular}