Chemistry - STEREO ISOMERISM Question with Solution | TestHub

ChemistrySTEREO ISOMERISMCONFORMATIONAL ISOMERISMEasy2 minQB
ChemistryEasysingle choice

Draw both possible conformations for the indicated cyclohexane :

(a) trans-1-bromo-2-ethylcyclohexane (b) cis-1-bromo-2-ethylcyclohexane

(c) trans-1-bromo-3-ethylcyclohexane (d) cis-1-bromo-3-ethylcyclohexane

(e) trans-1-bromo-4-ethylcyclohexane (f) cis-1-bromo-4-ethylcyclohexane

(g) a cyclohexane with 2 methyl groups, both axial

(h) a cyclohexane with 2 methyl groups, both equatorial

Options:

Answer:
A
Solution:

(a) trans-1,2 (e,e a,a) : structure structure

(b) cis-1,2 (e,a a,e) : structure structure

(c) trans-1,3 (e,a a,e) : structure structure

(d) cis-1,3 (e,e a,a) : structure structure

(e) trans-1,4 (e,e a,a) : structure structure

(f) cis-1,4 (e,a a,e) : structure structure

(g) one possible answer - trans-1,2-dimethyl, diaxial : structure

(h) one possible answer - trans-1,2-dimethyl, diequatorial : structure

Stream:JEESubject:ChemistryTopic:STEREO ISOMERISMSubtopic:CONFORMATIONAL ISOMERISM
⏱ 2mℹ️ Source: QB

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