NEET 2021 Physics and Chemistry

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Question : 90 of 100

Marks: +1, -0

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

[NEET 2021]

HF < HCl < HBr < HI : Increasing acidic strength
H2O<H2S<H2Se<H2Te : Increasing pKa values
NH3<PH3<AsH3<SbH3 : Increasing acidic character
CO2<SiO2<SnO2<PbO2 : Increasing oxidizing power

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