Chemistry - STEREO ISOMERISM Question with Solution | TestHub
ChemistrySTEREO ISOMERISMCHIRAL CENTRE AND CHIRAL MOLECULESEasy2 minQB
ChemistryEasysingle choice
What happens when the given compound is heated?
(2,2'-dinitrobiphenyl)
Options:
Answer:
B
Solution:
Ans. (B) Racemic mixture.
Sol. 2,2'-Dinitrobiphenyl is axially chiral (atropisomeric) because the bulky ortho NO2 groups restrict rotation about the biaryl bond. On heating, enough energy is available for the two rings to rotate past each other, so an optically active sample racemises to give a racemic mixture.
Stream:JEESubject:ChemistryTopic:STEREO ISOMERISMSubtopic:CHIRAL CENTRE AND CHIRAL MOLECULES
⏱ 2mℹ️ Source: QB
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