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Question
Find the odd one out and give its explanation.
Options
C2H4
C4H10
C3H8
CH4
Solution
C2H4
Explanation-
Ethene (C2H4) is a unsaturated hydrocarbon while others are saturated hydrocarbons.
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\[\begin{array}{cc}
\ce{CH3}\phantom{...}\ce{CH3}\phantom{.......}\\
|\phantom{.......}|\phantom{.........}\\
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\phantom{...........}|\\
\phantom{......................}\ce{CH2}\ce{CH2}\ce{CH3}
\end{array}\]
