Fractional distillation of crude petroleum will give the folloing hydrocarbon fuels in order of increasing boiling point
Butane < petrol < kerosene of polythene.
Both but-1-ene and but-1-yne will decolorize bromine readily
but-2-ene will react with chlorine to form 2,3-dichlorobutane
calcuim carbide will react with water to form any alkyne
Correct answer is E
No explanation has been provided for this answer.