1.

Among the following the most stable compound isA. cis-`1,2`-cyclohenediolB. trans-`1,2`-cylcohexanediolC. cis-`1,3`-cyclohenediolD. trans-`1,3`-cyclohexanediol

Answer» Correct Answer - D
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. Agrain between `1,2`and `1,3`-configurations, in `1-3`, the `OH` groups are placed further apart to minimise the repulsion. Hence, more stable is `1,3`-configuration.


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