How Many Different Aldols (B-Hydroxyaldehydes), Including Constitutional Isomers and Stereoisomers

question 2

Multiple Choice

How many different aldols (b-hydroxyaldehydes) , including constitutional isomers and stereoisomers, are formed upon treatment of butanal with base?

• A) 1
• B) 2
• C) 3
• D) 4

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