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Select the incorrect statement from the following option. (a)Racemic modification is an equimolar mixture of dextrorotatory and levorotatory isomers

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Select the incorrect statement from the following option.

(a) Racemic modification is an equimolar mixture of dextrorotatory and levorotatory isomers

(b) Meso compounds contain more than one chiral carbon centre

(c) Meso compounds are externally compensated

(d) Racemic mixture is designated as dl-pair

I got this question in class test.

This interesting question is from Optical Isomerism in portion Structure and Stereostructure of Molecules of Engineering Chemistry I

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The correct choice is (c) Meso compounds are externally compensated

The explanation: Meso compounds are internally compensated form whereas racemic mixtures are externally compensated modification. All the other options are correct.

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