Question

C2H5OH + K2Cr2O7 (катализатор H2SO4) = ?

Answer 1

)2C2H5OH + K2Cr2O7 + 4H2SO4 → 2CH3CHO + Cr2(SO4)3 + K2SO4 + H2O

Answer 2

The balanced chemical equation for the reaction between ethanol (C2H5OH) and potassium dichromate (K2Cr2O7) in the presence of sulfuric acid (H2SO4) as a catalyst is:

3C2H5OH + K2Cr2O7 + 4H2SO4 → 3CH3COOH + Cr2(SO4)3 + K2SO4 + 7H2O

In this reaction, ethanol is oxidized to acetic acid (CH3COOH) while potassium dichromate is reduced to chromium(III) sulfate (Cr2(SO4)3). The sulfuric acid acts as a catalyst to increase the reaction rate by providing a suitable environment for the reaction to occur.