SME
Grade 10 Science · Problem type
Functional groups
Use this for “Which functional group does ethyl acetate have?”
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Which functional group does the molecule have?
Tap a card, then tap its group.
Assumptions
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A functional group is the part of an organic molecule that reacts; the rest is a carbon chain.
•
Look at what is bonded to the carbon chain: –OH, –COOH, –COO–, –NH₂ or C=O between carbons.
•
The lit part of each formula is its functional group.
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Related lessons
Organic chemistry: hydrocarbons, functional groups and polymers
Main lesson
Alkenes: one double bond
Use this for an alkene’s formula and name: a chain with one carbon–carbon double bond, CₙH₂ₙ.
Alkynes: one triple bond
Use this for an alkyne’s formula and name: a chain with one carbon–carbon triple bond, CₙH₂ₙ₋₂.
Isomers: a branched alkane
Use this for “Draw an isomer of pentane” or “How many hydrogens does 2-methylbutane have?”
Addition or condensation polymer?
Use this for “Is nylon an addition polymer or a condensation polymer?”