For the redox reaction HCl + CrO₃⇒CrCl₃ + Cl₂ + H₂O, indicate the formula of the reducing agent.
| May 1, 2021 | education
The reaction takes place between substances such as hydrochloric acid and trivalent chromium oxide. As a result of the reaction, substances are formed: water, chromium chloride salt and pure chlorine. In order to level the reaction is a redox equation.
2Cl⁻¹ – 2e = Cl₂⁰ / 3 reducing agent, oxidizes
Cr⁺⁶ + 3e = Cr⁺³ / 2 oxidizing agent. is restored.
Therefore, the molecular equation of the reaction can be written as follows:
12 HCl + 2 CrO₃ = 3 Cl₂ + 2 CrCl₃ + 6 H₂O.
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