Which of the following ions has the least magnetic moment
$C{u^{ + 2}}$
$N{i^{ + 2}}$
$C{o^{ + 3}}$
$F{e^{ + 2}}$
Why is the ${E^\Theta }$ value for the $Mn ^{3+} / Mn ^{2+}$ couple much more positive than that for $Cr ^{3+} / Cr ^{2+}$ or $Fe ^{3+} / Fe ^{2+} ?$ Explain.
$CuSO_4(aq) + 4NH_3 \rightarrow X,$ then $X$ is
Which of the following alloys contain only $Cu $ and $Zn$
The number of $d-$ electrons in $F{e^{2 + }}$ (at no. of $Fe = 26$) is not equal to that of the
Although fluorine is more electronegative than oxygen, but the ability of oxygen to stabilize higher oxidation states exceeds that of fluorine. Why ?