A) \[C{{O}_{2}}>Si{{O}_{2}}<Sn{{O}_{2}}<Pb{{O}_{2}}:\]increasing oxidizing power
B) \[HF<HCl<HBr<HI:\]increasing acid strength
C) \[N{{H}_{3}}<P{{H}_{3}}<As\text{ }{{H}_{3}}<Sb{{H}_{3}}:\]increasing basic strength
D) \[B<C<O<N:\]increasing first ionization enthalpy
Correct Answer: C
Solution :
As the size of the central non-metal increasing appreciably, the basicity of hydride decreases.
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