GCSE / O Levels Chemistry

The structures of four hydrocarbons, W, X, Y and Z, are shown.
W
Y
H
H
H.
H
H
H
H
H
H
H
H
H
H-
H.
H-
Н—С
C=C
C-H
H
H
H
H-C
--
H
-H
H.
Which row is correct?
isomers of
decolourise
branched
each other
bromine
structures
A
W and X
Y and Z
W and Y
B
W and X
Y and Z
X and Z
Y and Z
W and Y
X and Z
D
Y and Z
W and Z
W and Y
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Formulae, Functional Groups and Terminology | 2016 - M/J - 5070/12 | Q40