11.16 Draw the condensed structural formula for each of the follow- ing alkanes: 3-ethylpentane a. c. 4-ethyl-2,2-dimethyloctane b. d. 2-bromopropane 3-ethyl-2-methylheptane 11.

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### Transcription and Explanation for Educational Website

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**11.16 Draw the condensed structural formula for each of the following alkanes:**

a. **3-ethylpentane**

b. **3-ethyl-2-methylheptane**

c. **4-ethyl-2,2-dimethyloctane**

d. **2-bromopropane**

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### Explanation:

For each of the compounds listed, you are required to draw the condensed structural formula. This involves representing the molecule in a way that shows the arrangement of atoms without explicitly depicting each bond. Alkanes are saturated hydrocarbons, meaning they consist only of carbon (C) and hydrogen (H) atoms connected by single bonds. Here’s a brief guide for each compound:

- **3-Ethylpentane**: Pentane is a 5-carbon alkane chain. An ethyl group (C2H5) is attached to the third carbon of this chain.

- **3-Ethyl-2-methylheptane**: Heptane indicates a 7-carbon chain. An ethyl group is attached to the third carbon, and a methyl group (CH3) is attached to the second carbon.

- **4-Ethyl-2,2-dimethyloctane**: Octane is an 8-carbon chain. An ethyl group is on the fourth carbon, and two methyl groups are on the second carbon.

- **2-Bromopropane**: Propane is a 3-carbon alkane. A bromine atom (Br) is attached to the second carbon.

Each of these structural formulas highlights functional groups' positions and can be used to understand the alkane's overall shape and characteristics.
Transcribed Image Text:### Transcription and Explanation for Educational Website --- **11.16 Draw the condensed structural formula for each of the following alkanes:** a. **3-ethylpentane** b. **3-ethyl-2-methylheptane** c. **4-ethyl-2,2-dimethyloctane** d. **2-bromopropane** --- ### Explanation: For each of the compounds listed, you are required to draw the condensed structural formula. This involves representing the molecule in a way that shows the arrangement of atoms without explicitly depicting each bond. Alkanes are saturated hydrocarbons, meaning they consist only of carbon (C) and hydrogen (H) atoms connected by single bonds. Here’s a brief guide for each compound: - **3-Ethylpentane**: Pentane is a 5-carbon alkane chain. An ethyl group (C2H5) is attached to the third carbon of this chain. - **3-Ethyl-2-methylheptane**: Heptane indicates a 7-carbon chain. An ethyl group is attached to the third carbon, and a methyl group (CH3) is attached to the second carbon. - **4-Ethyl-2,2-dimethyloctane**: Octane is an 8-carbon chain. An ethyl group is on the fourth carbon, and two methyl groups are on the second carbon. - **2-Bromopropane**: Propane is a 3-carbon alkane. A bromine atom (Br) is attached to the second carbon. Each of these structural formulas highlights functional groups' positions and can be used to understand the alkane's overall shape and characteristics.
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