Chemistry A-Level
product form and pH
What product form and pH means in Chemistry A-Level, as defined for AQA.
Definition of product form and pH
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Reference: AQA
In excess acid every amine group is protonated so the amino acids come out as their cations, while hot aqueous alkali gives the carboxylate salts and free -NH₂ groups.
Topics that use product form and pH
- Proteins (A-level only) (AQA A-Level)
Related terms
- building peptides
- comparison with standards
- condensation
- hydrogen bonding
- hydrolysis of the peptide link
- hydrolysis products
- identifying protein structure
- mobile phase
Using product form and pH in the exam
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