MCQ
The transition metals are mostly:
- ADiamagnetic.
- BParamagnetic.
- CNeither diamagnetic nor paramagnetic.
- DBoth diamagnetic and paramagnetic.
Explanation:
Most of trasition metls have unpaired electron (d-configuration) in their electronic configuration so they are paramagnetic in nature.
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$\mathrm{CrO}_2 \mathrm{Cl}_2+4 \mathrm{NaOH} \rightarrow \mathrm{A}+2 \mathrm{NaCl}+2 \mathrm{H}_2 \mathrm{O}$
$\mathrm{A}+2 \mathrm{HCl}+2 \mathrm{H}_2 \mathrm{O}_2 \rightarrow \mathrm{B}+3 \mathrm{H}_2 \mathrm{O}$
