How many optically active stereoisomers are possible for butane-2,3-diol?
Correct answer: B. 2
- A. 1
- B. 2
- C. 3
- D. 4
Explanation
Two optically active stereoisomers are possible for butane-2,3-diol. This is because there are two chiral centers in the molecule. The two stereoisomers are enantiomers, meaning they are mirror images of each other and cannot be superimposed.
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Organic chemistry begins with carbon compounds classified by carbon skeleton, saturation and functional group. Work includes identifying groups such as hydroxyl, carbonyl, carboxyl and amino, applying basic nomenclature, and distinguishing structural, geometric and optical isomers, where the same molecular formula does not necessarily mean the same structure or properties.
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