<p>Account for the following:</p>

<p>(i)&nbsp;<span class="equation">\(Mn^{2+}\)</span>&nbsp;is more stable than&nbsp;<span class="equation">\(Fe^{2+}\)</span>&nbsp;towards oxidation to +3 state.​​​​​​​</p>

<p>(ii) The enthalpy of atomization is lowest for Zn in 3d series of the transition elements.</p>