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Which of the following alkynes with the molecular formula C8H14 affords only one product when treated with ozone followed by water?Select answer from the options below4-octyne3-octynebutylethylacetylenemethylpentylacetyleneSave for LaterSubmit Answer

Question

Which of the following alkynes with the molecular formula C8H14 affords only one product when treated with ozone followed by water?Select answer from the options below4-octyne3-octynebutylethylacetylenemethylpentylacetyleneSave for LaterSubmit Answer

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Solution

The reaction you're referring to is ozonolysis, which is used to cleave carbon-carbon triple bonds in alkynes. The key to answering this question is understanding that the reaction will cleave the alkyne wherever the triple bond is located, resulting in two separate molecules.

  1. 4-octyne: This molecule has the triple bond in the middle of the carbon chain (between the 4th and 5th carbon). Therefore, ozonolysis will result in two different molecules, so this is not the correct answer.

  2. 3-octyne: This molecule has the triple bond near the end of the carbon chain (between the 3rd and 4th carbon). Therefore, ozonolysis will result in two different molecules, so this is not the correct answer.

  3. Butylethylacetylene: This molecule has the triple bond at the end of the carbon chain. Therefore, ozonolysis will result in only one molecule, so this is the correct answer.

  4. Methylpentylacetylene: This molecule has the triple bond near the end of the carbon chain. Therefore, ozonolysis will result in two different molecules, so this is not the correct answer.

So, the correct answer is butylethylacetylene.

This problem has been solved

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