Question 1
Question detail
Which statement correctly defines the role of a nucleophile in a reaction?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Introduction to organic chemistry
Question
- A. It accepts electrons to form a bond.
- B. It donates electrons to form a bond.
- C. It stabilizes the transition state.
- D. It increases the activation energy.
Answer
It donates electrons to form a bond.
Explanation
In a chemical reaction, a nucleophile donates a pair of electrons to an electrophile, forming a bond. This definition is key to understanding nucleophilic attack in organic mechanisms.
Common mistake
Confusing Nucleophiles and Electrophiles
Students often confuse nucleophiles with electrophiles, thinking both are electron donors.
Remember that nucleophiles are electron-rich species that donate electrons, while electrophiles are electron-deficient species that accept electrons. A nucleophile can be defined as a species that has a lone pair of electrons or a negative charge, whereas an electrophile is typically positively charged or has a partial positive charge.
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