Consider the following reaction between Ce4 and Tl ions

Consider the following reaction between Ce4 and Tl ions:2Ce4 Tl ? 2Ce3 Tl3 The following mechanism is proposed:Ce4 Mn2 ? Ce3 Mn3 Ce4 Mn3 ? Ce3 Mn4 Mn4 Tl ? Mn2 Tl3 Explain why.Based on the above mechanism which of the following choices is correct? ChoiceMn2 Mn3 Mn4 AInhibitorCatalystIntermediateBCatalystIntermediateIntermediateCCatalystIntermediateCatalystDIntermediateCatalystCatalyst