Combine the two half-reactions below to obtain the balanced overall equation in…

CHEMISTRY · Multi-part · A Level · Chemistry · Oxidation, reduction and redox reactions · Oxidation, reduction and redox reactions

Problem

Combine the two half-reactions below to obtain the balanced overall equation in acidic solution. (i)

Fe^{2+} \rightarrow Fe^{3+} + e^{-}

(ii)

Cr_{2}O_{7}^{2-} + 14H^{+} + 6e^{-} \rightarrow 2Cr^{3+} + 7H_{2}O