Chemistry - STEREO ISOMERISM Question with Solution | TestHub
ChemistrySTEREO ISOMERISMCONFORMATIONAL ISOMERISMMedium2 minQB
ChemistryMediumsingle choice
Determine whether each of the following compounds is a cis isomer or a trans isomer.
(a) 
(b) 
(c) 
(d) 
(e) 
(f) 
Options:
Answer:
B
Solution:
On any ring carbon the axial bond points straight up or down; a substituent on the same face as that axial bond is 'up', otherwise 'down'. Two substituents on the same face = cis; on opposite faces = trans.
(a) Br and Cl both down : cis.
(b) Br down, Cl up : trans.
(c) Br and CH₃ both down : cis.
(d) Br down, CH₃ up : trans.
(e) Cl down, CH₃ up : trans.
(f) one CH₃ up, the other down : trans.
Stream:JEESubject:ChemistryTopic:STEREO ISOMERISMSubtopic:CONFORMATIONAL ISOMERISM
⏱ 2mℹ️ Source: QB
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