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Topic: Optical Activity  (Read 6342 times)

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Offline w451208

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Optical Activity
« on: November 01, 2010, 02:45:20 PM »
Which compound would show optical activity?
A) cis-1,4- Dimethylcyclohexane
B) trans-1,4- Dimethylcyclohexane
C) cis-1,4- Dimethylcycloheptane
D) trans-1,4- Dimethylcycloheptane
E) More than one of these
Ans: D


Why?
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Offline Trave11er

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Re: Optical Activity
« Reply #1 on: November 01, 2010, 03:45:09 PM »
Because some compounds apart from D are the same as their mirror images, while D is chiral. http://en.wikipedia.org/wiki/Boat_conformation#Boat_conformation
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