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 2012 (07 May Online)

Options:

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