Chemistry 0620 · IGCSE · Alkenes

Alkenes — practice question

Alkenes and alkanes are two homologous series of compounds that contain carbon and hydrogen atoms.
(a)[1]

State the name of the compound type that is formed only from carbon and hydrogen atoms.

(b(i))[1]

Describe what the term addition reaction means.

(b(ii))[2]

Draw the structure of the product formed when propene reacts with bromine in an addition reaction. Include every atom and every bond.

(b(iii))[2]

Describe the colour change seen when propene is added to aqueous bromine: from ................. to .................

(b(iv))[2]

Draw the structures of the molecules of two different alkenes that each undergo an addition reaction with steam to produce butan-2-ol. Show every atom and every bond.

(c)[2]

Write the chemical equation for the reaction of one molecule of propane with one molecule of chlorine.

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