Presence of $Cr$ in steel makes it
Resistant to chemical action
Useful for making cutlery
Increases chemical action
$(a)$ and $(b) $ both
The catalyst used in the hydrogenation of oils is
The ability to form complex compounds by the transitional metal ion is due to
'Spin only' magnetic moment is same for which of the following ions?
$A$. $\mathrm{Ti}^{3+}$ $B$. $\mathrm{Cr}^{2+}$ $C$. $\mathrm{Mn}^{2+}$ $D$.$\mathrm{Fe}^{2+}$ $E$. $\mathrm{Sc}^{3+}$
Choose the most appropriate answer from the options given below.
${[Sc{({H_2}O)_6}]^{3 + }}$ ion is
The compound which does not show paramagnetism is :-