Chemistry A-Level
Combining absorptions to identify a functional group
What Combining absorptions to identify a functional group means in Chemistry A-Level, as defined for OCR.
Definition of Combining absorptions to identify a functional group
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Reference: OCR
To identify an alcohol, locate a broad absorption in that region, read its wavenumber in cm⁻¹, and confirm that no other feature contradicts the assignment.
Topics that use Combining absorptions to identify a functional group
- Analytical techniques (OCR A-Level)
Related terms
- Absorption and re-emission of infrared radiation
- Absorption of infrared radiation
- Absorption of infrared radiation by bond vibrations
- Bond stretching and bending
- Broad peak shape caused by hydrogen bonding
- Change in dipole moment
- Changes to energy usage
- characteristic absorption bands
Using Combining absorptions to identify a functional group in the exam
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