A) chiral centre of the molecule is destroyed
B) molecules acquires asymmetry
C) due to change in configuration
D) structural changes occurs
Correct Answer: A
Solution :
When\[-OH\]group of lactic acid is replaced by H then chiral carbon is lost. \[\underset{lactic\text{ }acid}{\mathop{C{{H}_{3}}-\underset{\begin{smallmatrix} | \\ H \end{smallmatrix}}{\overset{\begin{smallmatrix} H \\ | \end{smallmatrix}}{\mathop{C}}}\,-COOH}}\,\xrightarrow[{}]{{}}C{{H}_{3}}-\underset{\begin{smallmatrix} | \\ H \end{smallmatrix}}{\overset{\begin{smallmatrix} H \\ | \end{smallmatrix}}{\mathop{C}}}\,-COOH\] \[\therefore \]its optical activity is lost.
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