Chemistry - STEREO ISOMERISM Question with Solution | TestHub
ChemistrySTEREO ISOMERISMABSOLUTE AND RELATIVE CONFIGURATIONMedium2 minQB
ChemistryMediumsingle choice
The number of Stereocenters and stereoisomers of the given Adamantane derivative which can exist are:
Options:
Answer:
C
Solution:
Ans. (C) 4, 2.
Sol. The four bridgehead carbons of adamantane here carry four different groups (CH3, COOH, Br, H), so all four are stereocentres, but their configurations are not independent - the cage acts like a single tetrahedral centre with four different substituents. Only two arrangements (an enantiomeric pair) are possible : 4 stereocentres, 2 stereoisomers.
Stream:JEESubject:ChemistryTopic:STEREO ISOMERISMSubtopic:ABSOLUTE AND RELATIVE CONFIGURATION
⏱ 2mℹ️ Source: QB
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