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Topic: Cis or Trans?  (Read 2204 times)

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Offline Rutherford

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Cis or Trans?
« on: July 03, 2012, 07:18:29 AM »
What stereoisomer of C2H2Cl2 is created when C2H2 reacts with Cl2? Cis have bigger boiling point, Trans are more stable (which I vote for). Is one isomer made in big excess or they are formed in almost equal amounts?
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Offline sjb

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Re: Cis or Trans?
« Reply #1 on: July 03, 2012, 07:34:38 AM »
Quote from: Raderford on July 03, 2012, 07:18:29 AM
What stereoisomer of C2H2Cl2 is created when C2H2 reacts with Cl2? Cis have bigger boiling point, Trans are more stable (which I vote for). Is one isomer made in big excess or they are formed in almost equal amounts?

See perhaps http://www.mhhe.com/physsci/chemistry/carey/student/olc/ch09additionreactionsofalkynes.html or similar?
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Offline Rutherford

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Re: Cis or Trans?
« Reply #2 on: July 03, 2012, 07:49:54 AM »
As I see, it is the trans isomer. Thanks for the link.
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