Classify each hydrocarbon as an alkane, alkene, or alkyne. a. HC=CH b. H3C-CH=CH-C

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Classify each hydrocarbon as an alkane, alkene, or alkyne. ...

Classify each hydrocarbon as an alkane, alkene, or alkyne. \begin{equation}\begin{array}{l}{\text { a. } \mathrm{HC}=\mathrm{CH}}\end{array} \quad \quad \text { b. } \mathrm{H}_{3} \mathrm{C}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3} \end{equation} \begin{equation} \begin{array}{ll} \\ \text { c. } & {\mathrm{CH}_{3}} & {\text { d. } \mathrm{H}_{3} \mathrm{C}-\mathrm{C} \equiv \mathrm{C}-\mathrm{CH}_{3}} \\ {\mathrm{H}_{3} \mathrm{C}-} & {\mathrm{CH}-\mathrm{CH}_{3}}\end{array}\end{equation}

Classify each hydrocarbon as an alkane, alkene, or alkyne.
\begin{equation}\begin{array}{l}{\text { a. } \mathrm{HC}=\mathrm{CH}}\end{array} \quad \quad \text { b. } \mathrm{H}_{3} \mathrm{C}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3}
\end{equation}
\begin{equation}
\begin{array}{ll} \\ \text { c. } & {\mathrm{CH}_{3}} & {\text { d. } \mathrm{H}_{3} \mathrm{C}-\mathrm{C} \equiv \mathrm{C}-\mathrm{CH}_{3}} \\ {\mathrm{H}_{3} \mathrm{C}-} & {\mathrm{CH}-\mathrm{CH}_{3}}\end{array}\end{equation}

Key Concepts

Hydrocarbons

Hydrocarbons are organic compounds composed exclusively of carbon and hydrogen atoms. Their classification depends on the types of bonds between the carbon atoms, which influence their chemical properties and reactivity. Understanding this basic structure is essential for distinguishing between different classes of hydrocarbons.

Alkanes

Alkanes are the simplest type of hydrocarbons, characterized by only single bonds between carbon atoms. They are saturated compounds, meaning they contain the maximum number of hydrogen atoms possible. Their general formula is C?H????, and they are typically less reactive than their unsaturated counterparts.

Alkenes

Alkenes are unsaturated hydrocarbons that contain at least one carbon-carbon double bond. This double bond is a reactive site in the molecule and reduces the number of hydrogen atoms compared to alkanes. The general formula for alkenes is C?H?? when there is one double bond, making them more chemically reactive than alkanes.

Alkynes

Alkynes are a type of unsaturated hydrocarbon that include at least one carbon-carbon triple bond. The presence of this triple bond further decreases the hydrogen count and creates a highly reactive site within the molecule. Their reactivity and bonding structure distinguish them from both alkanes and alkenes, and they follow the general formula C?H???? when there is one triple bond.

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