1.

Which of the following hydrocarbon can decolourise bromine water?

Answer»

`C_(4)H_(6)`
`C_(4)H_(8)`
`C_(3)H_(6)`
all these

Solution :Only UNSATURATED hydrocarbons (containing double or triple bonds) decolourises BROMINE water
`C_(4)H_(6)to` ALKYNE (triple bond)
`C_(4)H_(8)to` alkene (double bond)
`C_(3)H_(6)to` alkene(doubled bond)


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