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Grade 10Organic Chemistry

how to understand if its enantiomers or diasteriomers?

Profile image of Kalon Acharjee
12 Years agoGrade 10
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1 Answer

Profile image of Vikash Kumar
12 Years ago

when the optically active isomers are the mirror images of each other then they are called as enantiomers like the R and S form of the same molecule. 

when the stereoisomers of the same compounds that are not the mirror images of each other. like a meso form and 2 other forms of tartaric acid.

so, here 1and 2 are enantiomers and (1,3) and (2,3) are diasteriomers.

L-tartaric acid.png

 D-tartaric acid.png Meso-Weinsäure Spiegel.svg

1. (natural) tartaric acid
L-(+)-tartaric acid
dextrotartaric acid

2. D-(-)-tartaric acid
levotartaric acid

3. mesotartaric acid

Thanks & Regards
Vikash Kumar, 
askIITians Faculty
B.Tech, IIT Delhi

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