<p>Give reasons for the following statements:</p>

<p>(a) Transition elements and their compounds act as good catalysts.</p>

<p>(b)&nbsp;<span class="equation">\(E^{0}_{(Mn^{2+}/Mn)}\)</span>value is highly negative as compared to other elements.</p>

<p>(c)&nbsp;<span class="equation">\(Cr^{2+}\)</span>&nbsp;is a srong reducing agent.</p>