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Multiple Choice
Which of the following reactions is correctly matched with its product?
A
Friedel-Crafts acylation of benzene produces an ether
B
Grignard reaction with a ketone produces an ester
C
Hydroboration-oxidation of an alkene produces an alcohol
D
Ozonolysis of an alkene produces an alkane
Verified step by step guidance
1
Step 1: Begin by understanding the types of reactions mentioned. Each reaction has a specific mechanism and typical product. Let's break down each one.
Step 2: Friedel-Crafts acylation involves the introduction of an acyl group into an aromatic ring, typically benzene, using an acyl chloride and a Lewis acid catalyst like AlCl₃. This reaction typically produces a ketone, not an ether.
Step 3: Grignard reactions involve the addition of a Grignard reagent (RMgX) to a carbonyl compound. When a Grignard reagent reacts with a ketone, it forms a tertiary alcohol, not an ester.
Step 4: Hydroboration-oxidation is a two-step reaction where an alkene reacts with borane (BH₃) followed by oxidation with hydrogen peroxide (H₂O₂) in the presence of a base. This reaction converts the alkene into an alcohol, which is the correct match.
Step 5: Ozonolysis involves the cleavage of alkenes using ozone (O₃) to form carbonyl compounds, such as aldehydes or ketones, not alkanes. This reaction is used to break double bonds and does not produce alkanes.