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Topic: cyclic dimmer structure  (Read 3071 times)

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Offline shehri

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cyclic dimmer structure
« on: January 20, 2007, 10:56:22 AM »
Hi all,

        What's meant by "cyclic Dimmer structure" of Carboxylic acids & why moleculer mass determination in non polar solvents like Benzene shows that Carboxylic Acid exists as cyclic dimmer?.Thanks.

Offline Yggdrasil

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Re: cyclic dimmer structure
« Reply #1 on: January 20, 2007, 10:12:16 PM »
Carboxylic acids form dimers in non-polar, aprotic solvents because of hydrogen bonding between the acid groups.  The OH of the acid forms a hydrogen bond with the carbonyl oxygen of another acid and vice versa.

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