The element the usually does $NOT$ show variable oxidation states is
$Cu$
$Ti$
$Sc$
$V$
Which of the following pair of transitional elements exhibit highest and lowest density
$Cu^+$ ion is not stable in aqueous solution, due to
An acidified manganate solution undergoes disproportionation reaction. The spin-only magnetic moment value of the product having manganese in higher oxidation state is $....\,B.M.$ (Nearest integer)
The number of $d-$ electrons in $F{e^{2 + }}$ (at no. of $Fe = 26$) is not equal to that of the
Which of the following ions has the highest magnetic moment