(1) balance the redox equation of indene and potassium dichromate in an acidic medium $C_{9}H_{8} + Cr_{2}O_{7}^{2-} + H^{+} \rightarrow C_{9}H_{6}(COOH)_{2} + Cr^{3+} + H_{2}O$
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Oxidation half-reaction: $C_{9}H_{8} \rightarrow C_{9}H_{6}(COOH)_{2}$ Reduction half-reaction: $Cr_{2}O_{7}^{2-} \rightarrow Cr^{3+}$ Show more…
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