Chemistry · 2010
NEET 2010 · Prelims · Code A · Q72
The correct order of the decreasing ionic radii among the following isoelectronic species is:
The correct order of the decreasing ionic radii among the following isoelectronic species is :
Official answer
(4)
$\displaystyle \mathrm{S}^{2-}>\mathrm{Cl}^{-}>\mathrm{K}^{+}>\mathrm{Ca}^{2+}$
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