Chemistry · 2019
JEE Main · 12 January 2019, Shift 1 · Q46
The pair of metal ions that can give a spin-only magnetic moment of 3.9 BM for the complex [ M ( H_2 O )_6] Cl_2, is:
The pair of metal ions that can give a spin-only magnetic moment of $\displaystyle 3.9$ BM for the complex $\displaystyle \left[\mathrm{M}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right] \mathrm{Cl}_2$, is :
Official answer
(3)
$\displaystyle \mathrm{V}^{2+} \text { and } \mathrm{Co}^{2+}$
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JEE Main 2019 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.