1.

Among the following the most stable compound is

Answer»

cis - 1,2 - cyclohexanediol
trans - 1,2 - cyclohexanediol
cis - 1,3 - cyclohexanediol
trans - 1,3 - cyclohexanediol

Solution :Trans configuration is more stable than cis configuration because in cis-configuration the H groups are thrown CLOSELY ENOUGH together to cause crowding or REPULSION. Again between 1,2-and 1,3-configuration, 1-3, the OH groups are placed further apart to MINIMISE the repulsion. Hence, more stable is 1,3-configuration.


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