Arrange the following hydrogen halides

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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