The test for unsaturated compounds
3 marks · EasyHept-1-ene is reacted with bromine water.
Write the structural formula of the product formed.
Name the type of reaction that takes place.
State the name of the organic product.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
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(a) CH2BrCHBr(CH2)4CH3
(b) Addition reaction
(c) 1,2-dibromoheptane
Common mistakes: Forget dibromo; Incorrect structural formula
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Marking points
B1 (a) · 1 mark · Correct structural formula for the product: CH2BrCHBr(CH2)4CH3 (or other correct unambiguous structural formula).
B1 (b) · 1 mark · Identifies the reaction as 'addition'.
B1 (c) · 1 mark · Correct name: 1,2-dibromoheptane.
Worked solution
(a) The structural formula is CH2BrCHBr(CH2)4CH3.
(b) The reaction is an addition reaction.
(c) The product is called 1,2-dibromoheptane.