The atomic number of an element is $26$. The element shows:

The correct order of decreasing third ionisation enthalpy of $Ti$,$V$,$Cr$,and $Mn$ is:

Stainless steel does not rust because

$E^o$ for the conversion of $Ce^{+4}$ into $Ce^{+3}$ is $1.74 \ V$. It suggests that

The correct order of the following $3d$ metal oxides,according to their oxidation numbers is:
$(a)$ $CrO_3$ $(b)$ $Fe_2O_3$ $(c)$ $MnO_2$ $(d)$ $V_2O_5$ $(e)$ $Cu_2O$

Which of the following is more paramagnetic?