Acetophenone is a_____________________?
Correct answer: B. Ketone
- A. Ether
- B. Ketone
- C. Aldehyde
- D. Ester
Explanation
Acetophenone has the structure C6H5COCH3, in which the carbonyl carbon is bonded to two carbon groups, phenyl and methyl. A carbonyl compound with two carbon substituents is a ketone. The likely mistake is aldehyde, but aldehydes must have at least one hydrogen attached to the carbonyl carbon.
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About Reactivity of Aldehydes and Ketones
The polar carbonyl group makes aldehydes and ketones undergo nucleophilic addition, reduction and condensation reactions. Aldehydes are generally more reactive and oxidise readily to carboxylic acids, whereas ketones resist mild oxidation; reactions with hydrogen cyanide, sodium bisulfite and 2,4-DNP help identify their behaviour.
Practise Aldehydes and Ketones
679 free Aldehydes and Ketones MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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