Question

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

ChemistryClassification of Elements and Periodicity in PropertiesJEE MainJEE Main 2009

Options:

A
$\mathrm{CO}_2 < \mathrm{SiO}_2 < \mathrm{SnO}_2 < \mathrm{PbO}_2$ : increasing oxidising power
B
$\mathrm{HF} < \mathrm{HCl} < \mathrm{HBr} < \mathrm{HI}$ : increasing acid strength
C
$\mathrm{NH}_3 < \mathrm{PH}_3 < \mathrm{AsH}_3 < \mathrm{SbH}_3$ : increasing basic strength
D
$\mathrm{B} < \mathrm{C} < \mathrm{O} < \mathrm{N}$ : increasing first ionization enthalpy.