210 -- Which of the following statements is incorrect? $(\text{H}=1,\ \text{C}=12\ \text{: g.mol}^{-1})$
The name of the alkane with formula $(\text{C}_4\text{H}_9)_2\text{CH}_2$ is 3-ethylpentane and it is an isomer of heptane.
Cyclopentane is an isomer of pentane and the ratio of carbon to hydrogen atoms in it is 1 to 2.
Benzene is an unsaturated hydrocarbon and reacts completely with hydrogen to become cyclohexane.
The difference between the molar mass of the sixth member of the alkene family and the sixth member of the alkane family is 14 grams per mole.
\textbf{210 -- Which of the following statements is \underline{incorrect}?} $(\text{H}=1,\ \text{C}=12\ \text{: g.mol}^{-1})$
\begin{enumerate}
\item The name of the alkane with formula $(\text{C}_4\text{H}_9)_2\text{CH}_2$ is 3-ethylpentane and it is an isomer of heptane.
\item Cyclopentane is an isomer of pentane and the ratio of carbon to hydrogen atoms in it is 1 to 2.
\item Benzene is an unsaturated hydrocarbon and reacts completely with hydrogen to become cyclohexane.
\item The difference between the molar mass of the sixth member of the alkene family and the sixth member of the alkane family is 14 grams per mole.
\end{enumerate}
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