Question

what is the Redox reaction? identify the substances oxidized and the substances reduced in the following reaction.
a) MnO2+4HCl=MnCl2+2H2O+Cl2
b) CuO+H2= Cu+H2O​

Answer 1

Answer:

what is the Redox reaction?

Redox is a type of chemical reaction in which the oxidation states of atoms are changed. Redox reactions are characterized by the actual or formal transfer of electrons between chemical species, most often with one species undergoing oxidation while another species undergoes reduction.

identify the substances oxidized and the substances reduced in the following reaction.

a) MnO2+4HCl=MnCl2+2H2O+Cl2

In the reaction MnO2 + 4HCl -> MnCl2 + Cl2 + 2H2O , Cl (chlorine) is the substance which is oxidized from the HCl, and it is the reducing agent for the MnO2 as well. As Cl is the oxidized substance in HCl, thus it is the oxidizing agent in the reaction.

identify the substances oxidized and the substances reduced in the following reaction.

b) CuO+H2= Cu+H2O

Thus, hydrogen is oxidized and copper is reduced.

Explanation:

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