Question detail
What type of bond is formed when a nucleophile attacks the carbonyl carbon in acyl derivatives?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Carboxylic acids and derivatives (A-level only)
Question
- A. Covalent bond
- B. Ionic bond
- C. Hydrogen bond
- D. Metallic bond
Answer
Covalent bond
Explanation
The correct option is Covalent bond. Covalent bond is the best answer because it directly supports the AQA A-Level Chemistry objective to outline nucleophilic addition-elimination mechanisms for acyl derivatives. This reasoning is anchored to Carboxylic acids, esters and acyl derivatives (A-level only) in Carboxylic acids and derivatives (A-level only), and it separates nucleophilic addition-elimination from similar A-Level ideas rather than relying on a vague recall statement. Other options are weaker if they use the wrong evidence, calculation, mechanism, observation, unit, or conclusion for this subtopic.
Common mistake
Misunderstanding Nucleophiles and Electrophiles
Students often confuse nucleophiles with electrophiles, thinking that both are the same in nucleophilic addition-elimination reactions.
Remember that nucleophiles are electron-rich species that donate electrons, while electrophiles are electron-deficient species that accept electrons. Clearly identify the roles of each in the mechanism.
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