MCQ
In which case, the order of acidic strength is not correct ?
- A$HI > HBr > HCl$
- B$HIO_4 > HBrO_4 > HClO_4$
- C$HClO_4 > HClO_3 > HClO_2$
- ✓$HF > H_2O > NH_3$
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($R$ is gas constant)