In which of the following arrangements is the given sequence not strictly according to the property indicated against it?
- A$HF < HCl < HBr < HI$ : increasing acidic strength
- B$H_2O < H_2S < H_2Se < H_2Te$ : increasing $pK_a$ values
- C$NH_3 < PH_3 < AsH_3 < SbH_3$ : increasing acidic character
- D$CO_2 < SiO_2 < SnO_2 < PbO_2$ : increasing oxidising power
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