Chemistry A-Level
rotations cancel
What rotations cancel means in Chemistry A-Level, as defined for AQA.
Definition of rotations cancel
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Reference: AQA
Each enantiomer rotates the plane of polarised light by the same angle but in opposite directions, so the two rotations cancel exactly.
Topics that use rotations cancel
- Optical isomerism (A-level only) (AQA A-Level)
Related terms
- attack from either side
- chiral molecules in an inactive mixture
- chirality
- Displayed formula
- enantiomers
- non-superimposable mirror images
- Optical isomerism
- racemic mixture
Using rotations cancel in the exam
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