Respuesta :
The statement " It has two carbon-carbon double bonds" is correct. because Q is a kind of unsaturated hydrocarbon.
What is unsaturated hydrocarbon?
The type of compound which contain double bond or triple bond can be considered as unsaturated hydrocarbon. Unsaturated hydrocarbon can decolorized bromine water.
Two kinds of unsaturated hydrocarbon will obtain, alkene and alkyne.
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