Chemistry - STEREO ISOMERISM Question with Solution | TestHub
ChemistrySTEREO ISOMERISMOPTICAL PURITY/ENANTIOMERIC EXCESS, POLARIMETER TUBE EXPERIMENTMedium2 minQB
ChemistryMediumnumerical
(+)-Tartaric acid has a specific rotation of +12.0 deg. Calculate the specific rotation of a mixture of 68% (+)-tartaric acid and 32% (-)- tartaric acid.
Answer:
4.32
Solution:
Ans. 4.32 deg.
Sol. Enantiomeric excess = 68 - 32 = 36%. Observed specific rotation = ee x specific rotation of the pure enantiomer = 0.36 x 12.0 = +4.32 deg.
Stream:JEESubject:ChemistryTopic:STEREO ISOMERISMSubtopic:OPTICAL PURITY/ENANTIOMERIC EXCESS, POLARIMETER TUBE EXPERIMENT
⏱ 2mℹ️ Source: QB
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