Chemistry - STEREO ISOMERISM Question with Solution | TestHub
ChemistrySTEREO ISOMERISMCONFORMATIONAL ISOMERISMEasy2 minQB
ChemistryEasysingle choice
When the methyl group is in the axial position in methylcyclohexane, the molecule has :
Options:
Answer:
B
Solution:
An axial methyl at C-1 is gauche to the ring along both the C₁-C₂ bond (Me-C₁-C₂-C₃) and the C₁-C₆ bond (Me-C₁-C₆-C₅) : two gauche-butane interactions. That is why the axial penalty (A-value) of methyl is 2 × 3.8 = 7.6 kJ/mol.
Stream:JEESubject:ChemistryTopic:STEREO ISOMERISMSubtopic:CONFORMATIONAL ISOMERISM
⏱ 2mℹ️ Source: QB
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