Question:
Arrange the following hydrogen halides in order of their decreasing reactivity
with propane.
(i) HCl > HBr > HI
(ii) HBr > HI > HCl
(iii) HI > HBr > HCl
(iv) HCl > HI > HBr
Solution:
Option (iii) HI > HBr > HCl is the answer.
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