Which of the Following Is the Best Choice to Prepare

question 56

Multiple Choice

Which of the following is the best choice to prepare the following alkene using the Wittig reaction?

• A) ethanal and 2-bromopentane/PPh₃
• B) propanal and 2-bromopentane/PPh₃
• C) 2-pentanone and 1-bromopropane/PPh₃
• D) 2-pentanone and 2-bromopropane/PPh₃
• E) butanal and 2-bromopentane/PPh₃

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