### Chemistry Exercises and Solutions#### Exercise 4:In your General Chemistry Lab, you and your partner inject a mixture of the three molecules shown below (all isomers of C\(_7\)H\(_14\)) into a Gas Chromatograph. Choose the correct elution order for these molecules, from smallest retention time to largest, from the given choices.**Diagrams of Molecules**:- **A** ``` CH3 | CH3-C-CH3 | CH3 ```- **B** ``` CH3 | CH3-CH2-CH2-CH3 ```- **C** ``` CH3-CH2-CH2-CH2-CH3 ```**Choices:**- A < B < C- C < A < B- B < A < C- B < C < A---#### Exercise 5:Select the picture of the type of orbital in which you would find the highest energy electron in a neutral iron atom.**Diagrams of Orbitals**:1. The first diagram shows a purple clover-shaped structure with four lobes extending along the x, y, and z axes.2. The second diagram shows a green dumbbell-shaped structure extending along the z-axis with a torus around the center.3. The third diagram shows an orange donut-shaped structure centered on the x, y, and z axes.**Choices:**- none of these choices are right---#### Exercise 6:Which of the following electron transitions in a hydrogen atom represents an absorption of the smallest frequency of light?**Choices:**- n = 2 to n = 3- n = 6 to n = 5- n = 1 to n = 4- n = 3 to n = 4---#### Solution Insights:**Exercise 4**: The order of elution is generally dependent on the molecular structure and boiling points. The most branched molecules (typically lower boiling points) will elute first, while the least branched (higher boiling points) elute last.**Exercise 5**: The highest energy electron in a neutral iron atom traditionally occupies the 3d orbital, usually visualized as the clover-shaped structure.**Exercise 6**: The absorption of the smallest frequency corresponds to the smallest energy

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In your General Chemistry Lab, you and your partner inject a mixture of the three molecules shown below (all isomers of C7H14) into a Gas Chromatograph. Choose the correct elution order for these molecules, from smallest retention time to largest, from the given choices. A В A

In your General Chemistry Lab, you and your partner inject a mixture of the three molecules shown below (all isomers of C7H14) into a Gas Chromatograph. Choose the correct elution order for these molecules, from smallest retention time to largest, from the given choices. A В A

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter34: Miscellaneous Separation Methods

Section: Chapter Questions

Problem 34.9QAP

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