In Which of the following arrangement, the given sequence is not strictly according to the property indicated against it ?
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HF < HCl< HBr < HI : increasing acidic strength
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H2O < H2S < H2Se < H2Te : increasing pKa values.
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NH3 < PH3 < AsH3 < SbH3 : increasing acidic character
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CO2 < SiO2 < SnO2 <PbO2 : increasing oxidising power
