Among $\mathrm{CrO}, \mathrm{Cr}_2 \mathrm{O}_3$ and $\mathrm{CrO}_3$, the sum of spin-only magnetic moment values of basic and amphoteric oxides is . . . . . . . . $10^{-2} \mathrm{BM}$ (nearest integer).
(Given atomic number of $\mathrm{Cr}$ is 24 )
$877$
$879$
$880$
$881$
The number of $d-$ electrons in $F{e^{2 + }}$ (at no. of $Fe = 26$) is not equal to that of the
Which of the following compound is coloured ?
The correct order of spin only magnetic moments for the following complex ions is
Which of the following compounds is not colored yellow ?
Why do the transition elements exhibit higher enthalpies of atomisation?