How defines a meso compound

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While all of the following sentences are correct, only one of them correctly defines a meso compound. The others merely express properties that are not unique to meso compounds alone. Which one is the definition?

a. A meso compound has stereogenic centers but is achiral.

b. A meso compound contains a plane of symmetry or a center of symmetry.

c. A meso compound cannot be resolved into enantiomers.

d. A meso compound possesses a mirror image but is superimposable on it.

e. A meso compound is optically inactive.

Reference no: EM13497139

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