Which of the following order is correct
$Cr^{+2} > Fe^{+2}$ : Reducing character
$Mn^{+3} > Cr^{+3}$ : Oxidising character
$WO_3 > CrO_3$ : Stability order
All of these
Spiegeleisen is an alloy of
Which of the following electronic configuration would be associated with the highest magnetic moment?
When $KMnO_4$ solution is added to hot oxalic acid solution, the decolourisation is slow in the beginning but becomes instantaneous after some time. This is because
Which of the following has '$6$' unpaired $f-$electrons ?
$\mu = \sqrt{15}$ is true for the pair :-