Edexcel IAL Chemistry AS 7.4 Hydrogen bonding in analogous molecules
Edexcel IAL Chemistry AS 7.4 Hydrogen bonding in analogous molecules
Inspect the displayed structure for H bonded directly to N, O or F and a lone-pair acceptor on another molecule, rather than relying on polarity alone.
How this is tested
- Select hydrogen-bonding molecules by locating an N–H, O–H or F–H donor and lone pair.
- Reject polar analogues that have lone pairs but no hydrogen attached directly to N, O or F.