Which of the following forms of tartaric acid | vedclass

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Question

(C) Tartaric acid exists in different stereoisomeric forms. $m-$ tartaric acid (meso-tartaric acid) is optically inactive due to an internal plane of

Vedclass · Accepted Answer

$d-$ tartaric acid

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(C) Tartaric acid exists in different stereoisomeric forms. $m-$ tartaric acid (meso-tartaric acid) is optically inactive due to an internal plane of symmetry. $dl-$ tartaric acid (racemic mixture) is also optically inactive because the rotation caused by the $d-$ form is cancelled by the $l-$ form. $d-$ tartaric acid (dextrorotatory) is optically active as it rotates plane-polarized light to the right. Therefore,the correct answer is $d-$ tartaric acid.

Which of the following forms of tartaric acid is optically active?

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