Question

What is redox reaction? Identify the substance oxidised and the substance reduced in the following reactions.
(i)2PbO + C —–> 2Pb + CO2
(ii)MnO2 + 4HCl —–> MnCl2 + 2H20 + Cl2
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Answer 1

Answer:

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.

Answer 2

Hey mate here is your answer :

answer :

Redox reaction :

The reaction is which one substance is oxidized and other removed is called Redox reaction .

1. oxidized - C

Reduced - Pb

2. oxidized - HCI

Reduced - Mn02.