Chemistry - STEREO ISOMERISM Question with Solution | TestHub
ChemistrySTEREO ISOMERISMABSOLUTE AND RELATIVE CONFIGURATIONMedium2 minQB
ChemistryMediumsingle choice
How many pairs of diastereomers are possible for the given compound?
CH3 - CH = CH - CH = CH - CH2 - CH3
Options:
Answer:
C
Solution:
Both double bonds of hepta-2,4-diene can independently be E or Z, and because the two ends of the chain differ (CH3 vs CH2CH3) all four configurations are distinct:
(2E,4E) 
(2E,4Z) 
(2Z,4E) 
(2Z,4Z) 
All four stereoisomers are achiral, so none is an enantiomer of another; every pair among them is a pair of diastereomers: C(4,2) = 6 pairs.
Ans. (C) 6 pairs.
Stream:JEESubject:ChemistryTopic:STEREO ISOMERISMSubtopic:ABSOLUTE AND RELATIVE CONFIGURATION
⏱ 2mℹ️ Source: QB
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