Chemistry A-Level
Distinguishing exchangeable from non-exchangeable protons
What Distinguishing exchangeable from non-exchangeable protons means in Chemistry A-Level, as defined for OCR.
Definition of Distinguishing exchangeable from non-exchangeable protons
Check what you remember
Read the wording for your board, then hide it and explain Distinguishing exchangeable from non-exchangeable protons in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A peak that vanishes belonged to an exchangeable O–H or N–H proton, while a peak that remains belongs to a C–H proton, which does not exchange.
Topics that use Distinguishing exchangeable from non-exchangeable protons
- Spectroscopy (OCR A-Level)
Related terms
- base peak
- Bond vibration and absorption of IR radiation
- Carbon environment
- Carbon-13 NMR and molecular symmetry
- Carbon-13 NMR prediction
- Carbon-13 NMR spectroscopy
- Characteristic bond absorptions in IR
- Characteristic shifts of proton environments
Using Distinguishing exchangeable from non-exchangeable protons in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Chemistry questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Chemistry A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge