The spin magnetic moment of cobalt in the compound $Hg[Co{(SCN)_4}]$ is
$1.73$
$2.828$
$3.8$
$4.8$
A metal, $M$ forms chlorides in its $+2$ and $+4$ oxidation states. Which of the following statements about these chlorides is correct ?
For $d-$ block elements the first ionization potential is of the order
To obtain steel entirely free from sulphur and phosphorus, the process used is
Which one of the following ions is colourless
Spin only magnetic moment of $\left[ MnBr _{6}\right]^{4-}$ is $.....\,B.M.$ (round off to the closest integer)