Arrange the followingg hydrogen halides in order of their decreasin re

1.	Arrange the followingg hydrogen halides in order of their decreasin reactivity with propene.
Answer» HClgtHBrgtHI HBrgtHIgtHCl HIgtHBrgtHCl HClgtHIgtHBr Solution :The order of reactivity of the hydrogen halides is HIgtHBrgtHCl. As the size of HALOGEN INCREASES, the STRENGTH of H-X BOND decreases and HENCE, reactivity increases.

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