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Question
Define Unsaturated hydrocarbon.
Solution
Unsaturated hydrocarbon: Hydrocarbons in which carbon atoms are linked to each other by double or triple bonds are known as unsaturated hydrocarbons. Examples: Ethene (CH2=CH2) and propyne (CH3-C=CH2) are unsaturated hydrocarbons.
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\[\begin{array}{cc}
\phantom{}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{..}\\
\phantom{}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{..}\\
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\phantom{}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{..}\\
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\end{array}\]