I completed chemistry A-Level in one year, teaching most of the course to myself, earning an A overall. I found it easiest like this as all the information from the textbook is streamlined and in one place. Comparing all past mark schemes I wrote the summaries using words and highlighting phrases y...
Condensation reaction: between two molecules when
water or HCl is removed.
Eg.
Polyesters with ester linkage -COO- is formed from
diols and dicarboxylic acids as there’s two functional
groups that allow condensation reactions both sides of
the molecule to form a polymer chain.
Polyamides have the CONH linkage between
dicarboxylic acids and diaminoalkane
Polypeptides: polyamides, each amino acid has a amine
group and a carboxylic acid group so they can join
together through condensation reactions to form a
dipeptide.
Common exam question:
“Draw the condensation reaction between.. and..”
“Draw the product of the reaction between… and …”
“What reaction has occurred to form this product?”
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