Chemistry - Biomolecules Question with Solution | TestHub

ChemistryBiomoleculesMiscellaneous/MixedMedium2 min
ChemistryMediumsingle choice

A sample of (D)–lactic acid was found to have an optical purity of 72%. How much (L)–isomer is present in the sample?

Options:

Answer:
D
Solution:

Sample have optically pure (D)–lactic acid as 72%, thus 28% is racemic lactic acid. 28% racemic mixture will contain 14% (L)–lactic acid.

Stream:JEESubject:ChemistryTopic:BiomoleculesSubtopic:Miscellaneous/Mixed
2m

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