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Multiple Choice
Which of the following statements is true regarding the chemical structure of cocaine?
A
Cocaine is an ester of benzoic acid and methylecgonine.
B
Cocaine is a ketone derived from acetone and benzene.
C
Cocaine is a simple alkane with no functional groups.
D
Cocaine is an amide formed from acetic acid and ammonia.
Verified step by step guidance
1
Identify the functional groups present in the structure of cocaine. Cocaine is known to contain an ester functional group.
Understand the components of an ester. An ester is formed from the reaction of a carboxylic acid and an alcohol.
Recognize that benzoic acid is a common carboxylic acid, and methylecgonine is an alcohol derivative involved in the structure of cocaine.
Analyze the incorrect options: Cocaine is not a ketone, as it does not contain a carbonyl group bonded to two alkyl groups. It is not a simple alkane, as it contains functional groups. It is not an amide, as it does not contain a carbonyl group bonded to a nitrogen atom.
Conclude that the correct statement is that cocaine is an ester of benzoic acid and methylecgonine, based on the presence of the ester functional group in its chemical structure.