Which of the following options represents the balanced equation for the chemical reaction provided?
a) 2Cr₂O₃ + 3C → 4Cr + 3CO₂
b) 3Cr₂O₃ + 2C → 4Cr + 3CO₂
c) Cr₂O₃ + C → 2Cr + CO₂
d) Cr₂O₃ + 2C → 4Cr + 3CO

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