Question 16
0.5pt
Which of the following carbonyls have a stretching frequency around 1685 cm⁻¹? Caution: More than
one answer is possible.
none of these
\begin{itemize}
\item
\begin{tikzpicture}
\draw (0,0) -- (0.5,0.866);
\draw (0,0) -- (-0.5,0.866);
\draw (0,0) -- (0,-0.5);
\draw (0,0.866) circle (0.1);
\end{tikzpicture}
\item
\begin{tikzpicture}
\draw (0,0) -- (0.5,0.866);
\draw (0,0) -- (-0.5,0.866);
\draw (0,0) -- (0,-0.5);
\draw (0,0.866) circle (0.1);
\draw (0.5,0.866) -- (0.5,0.866) node[right] {Cl};
\end{tikzpicture}
\item
\begin{tikzpicture}
\draw (0,0) -- (0.5,0.866);
\draw (0,0) -- (-0.5,0.866);
\draw (0,0) -- (0,-0.5);
\draw (0,0.866) circle (0.1);
\draw (0.5,0.866) -- (0.5,0.866) node[right] {H};
\end{tikzpicture}
\end{itemize}
