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 $(c)$
Which ion is not coloured
Stainless steel is non-corrosive. This character is more prominent in
Which of the following has highest paramagnetic character
Which one of the following has the maximum number of unpaired electrons
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.