Which of the following is not correct ?
A) The outermost electronic configuration of most electronegative elements is ns²
np5
B) Order of size: O2–>F> Na+> Mg2+> Al3+
C) Conjugate acid/base pair: HCO3–/CO32 –
D) Inert pair effect causes increase in oxidation state of element
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Option D is false.
Due to inert pair effect, the nuclear attractions reach over the even ultimate shell, due to this I.E. values become a bit larger and shows it's effect on other criteria also. So, due to this O.S. becomes lesser.
Thanking you,
Yours truly,
N.JAYARAMAN
IISc. BENGALURU
HOD, ORGANIC CHEMISTRY.
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