7.36     Arrange the following in the order of property indicated for each set:

           (ii)  HF, HCl, HBrHI - increasing acid strength.

              

Answers (1)

The dissociation energy of bond of  H-X molecules where X = F, Cl, Br, I, decreases as we increase the atomic size.

HI is the strongest acid Since H-I bond is the weakest

HF<HCl<HBr<HI

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