Q 1635534462.     In which of the following arrangements the given sequence is not strictly according to the property indicated against it?

AIPMT 2012
A

`H_{2}O < H_{2}S < H_{2}Se < H_{2}Te`; increasing `pK_{a}` values

B

`NH_{3}< PH_{3}< AsH_{3}< SbH_{3}`; increasing acidic character

C

`CO_{2}< SiO_{2}< SnO_{2}< PbO_{2}`; increasing oxidising power

D

`HF< HCl< HBr< HI`; increasing acidic strength

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