🩺 NEET🧪 Chemistry

In which of the following arrangements the given sequence is not strictly according to the property indicated against it…

Q1

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

[NEET-2021]

a

\( \mathrm{HF}<\mathrm{HCl}<\mathrm{HBr}<\mathrm{HI} \); increasing acidic strength

b

\( \mathrm{H}_{2} \mathrm{O}<\mathrm{H}_{2} \mathrm{~S}<\mathrm{H}_{2} \mathrm{Se}<\mathrm{H}_{2} \mathrm{Te} \); increasing \( p K_{a} \) values

c

\( \mathrm{NH}_{3}<\mathrm{PH}_{3}<\mathrm{AsH}_{3}<\mathrm{SbH}_{3} \); increasing acidic character

d

\( \mathrm{CO}_{2}<\mathrm{SiO}_{2}<\mathrm{SnO}_{2}<\mathrm{PbO}_{2} \); increasing oxidizing power

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