Test Academy | In which one of the following arrangements the given sequence is not strictly according to the properties indicated against it ? HF < Hcl < HBr < HI : Increasing acidic strength, H2O < H2S < H2Se < H2Te : Increasing pKa values, NH3< PH3 < AsH3 < SbH3 : Increasing acidic character, CO2 < SiO2 < SnO2

Question

In which one of the following arrangements the given sequence is not strictly according to the properties indicated against it ?

Options :

HF < Hcl < HBr < HI : Increasing acidic strength
H₂O < H₂S < H₂Se < H₂Te : Increasing pK_a values
NH₃< PH₃ < AsH₃ < SbH₃ : Increasing acidic character
CO₂ < SiO₂ < SnO₂ < PbO₂

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