Question

In the reaction:
MnO2+4HCL- MnCl2+2H2O+Cl2
(a) Name the compound (1) oxidised, (2) reduced.
(b) Define oxidation and reduction on its basis

Answer 1

Here is your answer -----
a. Here HCl is oxidized to Cl2 and Mno2 is reduced to MnCl2.
b. The reaction in which oxygen is either gained or hydrogen is lost by a substance is called oxidation reaction.
The reaction in which hydrogen is gained or oxygen is lost by a substance is called reduction reaction.
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Answer 2

(a). The names of the compounds that are (1) oxidized, and (2) reduced in the given reaction are given below.

• (1). The oxidized compound - $HCl$.

• (2). The reduced compound - $MnO_{2}$.

• In the given reaction, $HCl$ is oxidized to $Cl_{2}$ and $MnO_{2}$ is reduced to $MnCl_{2}.$

(b). Definitions of oxidation and reduction are as follows:

• The reaction in which oxygen is either gained or hydrogen is lost by a substance is called an oxidation reaction.
• The reaction in which hydrogen is gained or oxygen is lost by a substance is called a reduction reaction.
• An oxidizing agent is a substance that gets reduced in a reaction, causing oxidation by accepting electrons.
• A reducing agent is a substance that gets oxidized in a reaction, causing reduction by losing electrons.

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