Outline How One Might Achieve the Following Transformation, Showing Reagents

Q5: Which of the following reagents react with

Q18: What is the major organic product obtained

Q20: What is the best choice of reagent(s)

Q21: Select the best reagent or sequence of

Q23: What is IUPAC name of the following

Q24: What is the major organic product obtained

Q26: What is the major organic product obtained

Q27: What is the best choice of reagent(s)

Q38: How many alkynes are there with the

Q57: Addition of H₂ to 2-pentyne in the