Determine the number of degrees of unsaturation in this molecule: H

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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**Determine the number of degrees of unsaturation in this molecule:**

The image depicts a structural formula featuring a benzene ring (a hexagon with alternating double bonds) connected to an ethynyl group (a carbon triple-bonded to another carbon, which is then bonded to a hydrogen atom).

**Explanation:**

The degrees of unsaturation can be calculated as follows:

1. **Benzene Ring:** The benzene ring itself contributes four degrees of unsaturation: one for each of the three double bonds and one for the ring structure itself.
2. **Ethynyl Group:** The ethynyl group adds two more degrees of unsaturation due to the triple bond.

In total, this molecule presents six degrees of unsaturation.
Transcribed Image Text:**Determine the number of degrees of unsaturation in this molecule:** The image depicts a structural formula featuring a benzene ring (a hexagon with alternating double bonds) connected to an ethynyl group (a carbon triple-bonded to another carbon, which is then bonded to a hydrogen atom). **Explanation:** The degrees of unsaturation can be calculated as follows: 1. **Benzene Ring:** The benzene ring itself contributes four degrees of unsaturation: one for each of the three double bonds and one for the ring structure itself. 2. **Ethynyl Group:** The ethynyl group adds two more degrees of unsaturation due to the triple bond. In total, this molecule presents six degrees of unsaturation.
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