Chemistry A-Level
nucleophile
What nucleophile means in Chemistry A-Level, as defined for AQA, OCR.
Definitions of nucleophile
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Reference: OCR
A species that is an electron pair donor, supplying a lone pair of electrons to an electron-deficient centre to form a new covalent bond.
An electron pair donor that is attracted to an atom carrying a partial positive charge.
Topics that use nucleophile
- Nucleophilic properties (A-level only) (AQA A-Level)
- Haloalkanes (OCR A-Level)
Related terms
- Nucleophilic substitution
- addition-elimination
- amide formation
- anhydride versus acyl chloride
- attack at a δ⁺ carbon
- attraction to negative surfaces
- Bond enthalpy
- Bond strength and reactivity down Group 7
Using nucleophile in the exam
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