Chemistry · 2009
NEET 2009 · Prelims · Code A · Q81
Which one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation states?
Which one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation states ?
Official answer
(4)
$\displaystyle 3 \mathrm{~d}^5 4 \mathrm{~s}^2$
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NEET (UG) 2009 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.