Spiegeleisen is an alloy of
$Cu + Zn + Ni$
$Ni + Cr$
$Mn + Fe + C$
$Fe + Cr + Ni$
Which of the following has '$6$' unpaired $f-$electrons ?
Calculate the number of unpaired electrons in the following gaseous ions: $Mn ^{3+}, Cr ^{3+}, V ^{3+}$ and $T i^{3+} .$ Which one of these is the most stable in aqueous solution?
Which metal does not give the following reaction $M +$ water or steam $ \to $oxide $ + H$ $\downarrow$
Which of the following will act as best oxidizing agents
The spin only magnetic moment of the complex present in Fehling's reagent is $B.M.$(Nearest integer).