What is the decreasing reactivity order of halogen hydracids (HCl, HI, HBr) for addition reaction of alkenes? Explain.

Posted byAnkush SharmaPosted inscienceTags:, , , , , , , , , , , , , , , , ,

The decreasing order of reactivity will be as follows:-

HI > HBr > HCl

In case of reactivity the HI will be the most reactive and then HBr and least reactive will be the HCl.

This is due to the fact that the reducing character of Iodine is highest and it can easily break the H-I bond and thus can react faster.

Similarly in the HBr, Bromine is smaller than Iodine but still can react faster than Chlorine .

More easy will be the bond breaking more reactive will be the halogen hydracids.

Published by Ankush Sharma

I am M.Sc (chemistry ) from Punjabi University Patiala. I am a science teacher with expertise in chemistry, with 8 years of experience in teaching. Writing and blogging is my hobby, I write whenever I am free. I am constantly working on creating a new and easy way of learning the tough things in an effective way. I am constantly working to make authentic and reliable information to be shared with my students and widen the horizons of knowledge.

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