P-Block Elements Ques 83
Question: The correct order of the thermal stability of hydrogen halides (H -X) is
[AIEEE 2005]
Options:
A) $ HI>HBr>HCl>HF $
B) $ HF>HCl>HBr>HI $
C) $ HCl<HF<HBr<HI $
D) $ HI>HCl<HF<HBr $
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Answer:
Correct Answer: B
Solution:
HF > HCl > HBr > HI (Thermal stability).