Question 1
Which reagent combination will yield a cis alkene from an alkyne?
Question 2
Which reagent is used to perform an anti-Markovnikov addition of water to an alkyne?
Question 3
In what conditions does the tautomerization of an enol to a ketone occur in the hydroboration-oxidation of alkynes?
Question 4
What intermediate forms during the dissolving metal reduction of an alkyne?
Question 5
Which type of alkene configuration is favored in dissolving metal reduction of alkynes and why?
Question 6
What rule does hydrohalogenation of alkynes follow in its mechanism?
Question 7
What type of bond cleavage involves each electron in the bond going to a different atom?
Question 8
What product is formed when an alkyne reacts with sodium metal in liquid ammonia?
Question 9
What type of arrow represents the movement of a single electron in radical reactions?
Question 10
In the hydration of alkynes, what form is favored at equilibrium?
Question 11
Which reagent can enhance anti-Markovnikov selectivity compared to BH3 in hydroboration-oxidation?
Question 12
What key intermediate forms during the hydration of alkynes that tautomerizes to the final product?
Question 13
What product results from the hydroboration-oxidation of a terminal alkyne?
Question 14
During hydrohalogenation of alkynes, what product is formed when excess HX is used?
Question 15
What is formed during the hydration of an alkyne in the presence of sulfuric acid and mercuric sulfate?