Chemistry A-Level
characteristic absorption bands
What characteristic absorption bands means in Chemistry A-Level, as defined for OCR.
Definition of characteristic absorption bands
Check what you remember
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Reference: OCR
Bands in an infrared spectrum whose position and shape are read and then linked to bonds present in the structure, such as O–H or C=O.
Topics that use characteristic absorption bands
- 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 absorptions of common organic bonds
Using characteristic absorption bands in the exam
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