A chemist carried out a cracking reaction on a hydrocarbon, X, and obtained two products, Y and Z.
The chemist then wrote the following statements in his notebook.
1 A molecule of X has 7 carbon atoms.
2 Y is unsaturated.
3 Z will decolourise bromine water.
Which statements are correct?
1 )
3 only
2 )
1 and 2
1 and 3
4 )
1, 2 and 3
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