CAIE IGCSE Chemistry 11.5.1 Bonding in Alkenes Includes a Double Questions

Work through real CAIE IGCSE Chemistry questions to identify alkene double bonds, explain unsaturation and locate the reactive C=C group.

Exam points

identify the C=C functional group in alkene structures and polymer monomers
explain unsaturation by linking C=C bonding with hydrocarbons containing only C and H
classify alkene structures as unsaturated hydrocarbons and identify the double bond that reacts with bromine or during addition polymerisation

[Maximum number: 1]

38 P, Q, R and S are four organic compounds.
P is an unsaturated hydrocarbon.
Q burns but otherwise is unreactive.
R contains a C-C single bond and a C=C double bond.
S undergoes addition polymerisation.
Which compounds are alkenes?

P and R only

P, R and S

P, Q and S

Q, R and S

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CAIE IGCSE Chemistry 11.5.1 Bonding in Alkenes Includes a Double Questions question 1