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Question from: Chemistry

The compound above exhibits

A)  

geometric isomerism

B)  

optical isomerism

C)  

structural isomerism

D)  

positional isomerism

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j

juanbacan

hace 19 días

Solution

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Explanation: The central carbon is attached to four different groups: H, CH3, OH, and COOH. A tetrahedral carbon with four different substituents is a chiral center, so the compound exists as two non-superimposable mirror images (enantiomers) that rotate plane-polarized light.

  • Geometric isomerism requires a C=C double bond—absent here.
  • Positional and structural isomerism involve changes in position or connectivity—also not the case.

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