Which of the following statement(s) is(are) correct with reference to the ferrous and ferric ions
$F{e^{3 + }}$ gives brown colour with potassium ferricyanide
$F{e^{2 + }}$gives blue precipitate with potassium ferricyanide
$F{e^{3 + }}$ gives red colour with potassium thiocyanate
Both $(b)$ and $(c)$
The magnetic moment of a metal ion of first transition series is $2.83 $ $BM$. Therefore it will have unpaired electrons
Which one of the following metals will not reduce ${H_2}O$
Which one of the following when dissolved in water gives coloured solution in nitrogen atmosphere?
Which is a stronger reducing agent $Cr ^{2+}$ or $Fe ^{2+}$ and why?
Explain the variations in atomic radii of transition elements in group.