Ans. Identical. Sol. Rotating Fischer (a) by 180 degrees in the plane of the paper interchanges the two CO 2 H ends and the left/right positions at both centres, giving exactly (b). Both are meso-tartaric acid (internal mirror plane) : identical.

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Chemistry - STEREO ISOMERISM Question with Solution | TestHub

ChemistrySTEREO ISOMERISMASSIGNING RELATIONSHIPEasy2 minQB

ChemistryEasysingle choice

(a) structure (b)

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Answer:

Solution:

Ans. Identical.

Sol. Rotating Fischer (a) by 180 degrees in the plane of the paper interchanges the two CO₂H ends and the left/right positions at both centres, giving exactly (b). Both are meso-tartaric acid (internal mirror plane) : identical.

Stream:JEESubject:ChemistryTopic:STEREO ISOMERISMSubtopic:ASSIGNING RELATIONSHIP

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