Stereoisomers There is another kind of isomeric relationship possible for organic structures. This is stereoisomerism. Stereoisomers are structures that have the same bonding connections between atoms, but have a different three- dimensional shape. Models of stereoisomers cannot be completely superimposed on each other. Stereoisomerism is also possible for any structure having a carbon with tetrahedral geometry that has four different atoms or groups of atoms bonded to it. A common way to represent the arrangement of groups bonded to a tetrahedral carbon atom is the dash and wedge type of figure shown to the right. The group bonded to the dashed line is behind the plane of the page and the group bonded to the wedge is in front of the plane of the page. The other two bonds are in the plane of the page. 8) Put four longer wooden sticks into a black ball and place red, yellow, green, and purple balls on the four sticks. Construct another model in the same way that is not superimposable on the first one. Note that these two structures are mirror images. Sketch perspective representations of the two stereoisomers.

Stereoisomers There is another kind of isomeric relationship possible for organic structures. This is stereoisomerism. Stereoisomers are structures that have the same bonding connections between atoms, but have a different three- dimensional shape. Models of stereoisomers cannot be completely superimposed on each other. Stereoisomerism is also possible for any structure having a carbon with tetrahedral geometry that has four different atoms or groups of atoms bonded to it. A common way to represent the arrangement of groups bonded to a tetrahedral carbon atom is the dash and wedge type of figure shown to the right. The group bonded to the dashed line is behind the plane of the page and the group bonded to the wedge is in front of the plane of the page. The other two bonds are in the plane of the page. 8) Put four longer wooden sticks into a black ball and place red, yellow, green, and purple balls on the four sticks. Construct another model in the same way that is not superimposable on the first one. Note that these two structures are mirror images. Sketch perspective representations of the two stereoisomers.

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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