The atomic number of an element is $22$. The highest oxidation state exhibited by it in its compounds is

Which metal in the first series of transition metals exhibits $+1$ oxidation state most frequently and why?

Which one of the following does not correctly represent the correct order of the property indicated against it?

The metal ion having maximum paramagnetic behaviour among the first transition series elements is,

'Spin only' magnetic moment is same for which of the following ions?
$A$. $Ti^{3+}$ $B$. $Cr^{2+}$ $C$. $Mn^{2+}$ $D$. $Fe^{2+}$ $E$. $Sc^{3+}$
Choose the most appropriate answer from the options given below.

Super alloys are usually