210- Which of the following statements are correct?
[A)] The molecular formula of $\text{C}_{10}\text{H}_{16}\text{O}$ is correct.
[B)] 2-heptanone and benzaldehyde have a carbonyl group and are isomers of each other.
[C)] The name of the hydrocarbon with the dot-dash formula $\diagup\diagdown\diagup\diagdown$ is 3-methylnonane.
[D)] The ratio of the number of H atoms to the number of C atoms in naphthalene molecules is 1.
(1) A, B (2) B, C (3) B, C, D (4) A, B, C, D
\textbf{210-} Which of the following statements are correct?
\begin{itemize}
\item[A)] The molecular formula of $\text{C}_{10}\text{H}_{16}\text{O}$ is correct.
\item[B)] 2-heptanone and benzaldehyde have a carbonyl group and are isomers of each other.
\item[C)] The name of the hydrocarbon with the dot-dash formula $\diagup\diagdown\diagup\diagdown$ is 3-methylnonane.
\item[D)] The ratio of the number of H atoms to the number of C atoms in naphthalene molecules is 1.
\end{itemize}
(1) A, B \hfill (2) B, C \hfill (3) B, C, D \hfill (4) A, B, C, D