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Chemistry · 2016
JEE Main 2016 · 2016-04-03 Offline · Q48
The pair having the same magnetic moment is: [At. No.: Cr =24, Mn =25, Fe =26, Co =27]
The pair having the same magnetic moment is :
$$\text { [At. No. : } \mathrm{Cr}=24, \mathrm{Mn}=25, \mathrm{Fe}=26, \mathrm{Co}=27]
$$
Official answer
(2)
$\displaystyle \left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+} \text { and }\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}$
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JEE Main 2016 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.