Compare the boiling points of the various isomeric hydrocarbons shown in the table below. Notice the relationship between boiling point and structure; branched-chainhydrocarbons have lower boiling points than the unbranched isomer. Speculate on possible reasons for this trend. Why might the intermolecular forces be slightlydifferent in these compounds?Compound Boiling Point (°C)68.9Hexane3-Methylpentane2-Methylpentane2,3-Dimethylbutane2,2-Dimethylbutane63.260.358.049.7The more branched structure has smaller exposed surface and hence weaker dispersion intermolecular forces.The more branched structure has larger exposed surface and hence weaker dispersion intermolecular forces.The more branched structure has larger exposed surface and hence stronger dispersion intermolecular forces.The more branched structure has smaller exposed surface and hence stronger dispersion intermolecular forces.

The intermolecular force of attraction that is present in hydrocarbons is London or Dispersion…

Compare the boiling points of the various isomeric hydrocarbons shown in the table below. Notice the relationship between boiling point and structure; branched-chain hydrocarbons have lower boiling points than the unbranched isomer. Speculate on possible reasons for this trend. Why might the intermolecular forces be slightly different in these compounds? Compound Boiling Point (°C) 68.9 Hexane 3-Methylpentane 2-Methylpentane 2,3- Dimethylbutane 2,2- 63.2 60.3 58.0 49.7 Dimethylbutane O The more branched structure has smaller exposed surface and hence weaker dispersion intermolecular forces. O The more branched structure has larger exposed surface and hence weaker dispersion intermolecular forces. O The more branched structure has larger exposed surface and hence stronger dispersion intermolecular forces. O The more branched structure has smaller exposed surface and hence stronger dispersion intermolecular forces.

Compare the boiling points of the various isomeric hydrocarbons shown in the table below. Notice the relationship between boiling point and structure; branched-chain hydrocarbons have lower boiling points than the unbranched isomer. Speculate on possible reasons for this trend. Why might the intermolecular forces be slightly different in these compounds? Compound Boiling Point (°C) 68.9 Hexane 3-Methylpentane 2-Methylpentane 2,3- Dimethylbutane 2,2- 63.2 60.3 58.0 49.7 Dimethylbutane O The more branched structure has smaller exposed surface and hence weaker dispersion intermolecular forces. O The more branched structure has larger exposed surface and hence weaker dispersion intermolecular forces. O The more branched structure has larger exposed surface and hence stronger dispersion intermolecular forces. O The more branched structure has smaller exposed surface and hence stronger dispersion intermolecular forces.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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