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Question 25.7: Recognizing and Drawing Optical Isomers Determine whether th...

Recognizing and Drawing Optical Isomers

Determine whether the cis or trans isomers in Example 25.5 are optically active (demonstrate optical isomerism).

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Draw the trans isomer of [Co(en)_2Cl_2]^+ and its mirror image. Check to see if they are superimposable by rotating one isomer 180°.

In this case the two are identical, so there is no optical activity.
Draw the cis isomer and its mirror image. Check to see if they are superimposable by rotating one isomer 180°.

In this case the two structures are not superimposable, so the cis isomer does exhibit optical activity.

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