Classification Of Elements And Periodicity In Properties Ques 350
Question: Increasing order of acid strength of halogen acid is [DCE 2000]
Options:
A) $ HF<HCl<HBr<HI $
B) $ HCl<HBr<HI<HF $
C) $ HF<HI<HBr<HCl $
D) None of these
Show Answer
Answer:
Correct Answer: A
Solution:
As going down the group size increases, an liberation of $ {{H}^{+}} $ ion becomes easy. So the order of acidity is : $ HI>HBr>HCl>HF $
