Chemistry · p-Block Elements
The correct order of increasing acidic strength of halogen acids (hydrohalic acids) is:
- 1HF > HCl > HBr > HI
- 2HCl > HBr > HF > HI
- 3HI > HBr > HCl > HF✓
- 4HF > HBr > HCl > HI
Correct answer
HI > HBr > HCl > HF
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