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Question
The hydrocarbon which has alternate single and double bonds arranged in the form of a ring is:
(a) cyclobutane
(b) benzene
(c) butene
(d) hexene
Solution
benzene
Benzene is the hydrocarbon which has alternate single and double bonds arranged in the form of a ring.
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RELATED QUESTIONS
Define the term ‘structural’ isomerism'.
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Which of the following are correct structural isomers of butane?
- \[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{..}\\
|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{..}\\
\ce{H - C - C - C - C - H}\\
|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{..}\\
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{..}
\end{array}\] - \[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\phantom{....}|\\
\ce{H - C - C - C - H}\\
|\phantom{.....}\backslash\phantom{..}|\\
\phantom{.....}\ce{H}\phantom{.......}\ce{C - H}\\
\phantom{.........}|\\
\phantom{.........}\ce{H}
\end{array}\] - \[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\phantom{....}|\\
\ce{H - C - C - C - H}\\
|\phantom{....}\phantom{....}|\\
\ce{H}\phantom{........}\ce{H}\\
|\\
\ce{H - C - H}\\
|\\\ce{H}
\end{array}\] - \[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\\
\ce{H - C - C - H}\\
|\phantom{....}|\\
\ce{H - C - C - H}\\
|\phantom{....}|\\
\ce{H}\phantom{...}\ce{H}
\end{array}\]
Pentane has the molecular formula C5H12. It has ______.
Recognise the carbon chain type of the following:
\[\begin{array}{cc}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\phantom{....}|\\\ce{H - C - C - C - H}\\
|\phantom{....}|\phantom{....}|\\\ce{H}\phantom{...}\ce{}\phantom{.....}\ce{H}\\
\ce{H - C - H}\\
|\\
\ce{H}
\end{array}\]
