Which of the Following Is the Best Choice to Prepare

question 1

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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