Question

The value of x and y in the following reaction

C r_{2} O_{7}^{-2}+x H^{+}+y F e^{+2} \rightarrow 2 C r^{+3}+F e^{+3}+H_{2} OCr2​O7−2​+xH++yFe+2→2Cr+3+Fe+3+H2​Owill be

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Answer 1

Unbalanced reaction:

Cr₂O₇²⁻ + H⁺  + Fe²⁺  → 2Cr³⁺ + Fe³⁺ + H₂O

Balanced reaction:

Cr₂O₇²⁻ + 14H⁺ + 6Fe²⁺ → 2Cr³⁺ + 6Fe³⁺ + 7H₂O

x = 14

y = 6

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