Chemistry A-Level
Lone pairs and available electrons
What Lone pairs and available electrons means in Chemistry A-Level, as defined for OCR.
Definition of Lone pairs and available electrons
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Reference: OCR
A nucleophile must have a lone pair available for donation, so not every negative ion is automatically a good nucleophile.
Topics that use Lone pairs and available electrons
- Haloalkanes (OCR A-Level)
Related terms
- Bond strength and reactivity down Group 7
- Carbon–halogen bond enthalpy
- catalytic cycle
- Curly arrow conventions
- Electron-deficient carbon in haloalkanes
- Formation of alcohols from haloalkanes
- Homolytic fission
- Hydrolysis of haloalkanes
Using Lone pairs and available electrons in the exam
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