The spin only magnetic moment value of $Cr(CO)_6$ is
$2.84\, BM$
$4.90\, BM$
$5.92\, BM$
$0\, BM$
Amongest following the lowest degree of paramagnetism per mole of the compound at $298 K$ will be shown by
The aqueous solution containing which one of the following ions will be colourless
The form of iron having the highest carbon content is
Which of the following electronic configuration would be associated with the highest magnetic moment?