Transition metals are often paramagnetic owing to
- ATheir high $M.P.$ and $B.P.$
- BThe presence of vacant orbitals
- CThe presence of one or more unpaired electrons in the system
- DTheir being less electropositive than the elements of groups $I-A$ and $II-A$
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Which of the following ions are diamagnetic?
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View SolutionCalculate the number of unpaired electrons in the following gaseous ions: $Mn^{3+}, Cr^{3+}, V^{3+}$ and $Ti^{3+}$. Which one of these is the most stable in aqueous solution?
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View SolutionThe electronic configuration of a metal element is given below:
$M = 1s^2 2s^2 2p^6 3s^2 3p^6 3d^{10} 4s^1$
To which block does this element belong?
$M = 1s^2 2s^2 2p^6 3s^2 3p^6 3d^{10} 4s^1$
To which block does this element belong?
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