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Balance the following equation by the ox...

Balance the following equation by the oxidation number method.
`MnO_(4)^(2-)+Cl_(2)toMnO_(4)^(2-)+Cl^(-)`

Text Solution

Verified by Experts

Step - I : The skeleton reaction
`MnO_(4)^(2-)+Cl_(2)toMnO_(4)^(-)+Cl^(-)`
Step - II :
Step - III : Equalise the increase/decrease in ON. Here they are equal.
Step - IV : Balance the other atoms except H and O
`2MnO_(4)^(2-)+Cl_(2)to2MnO_(4)^(-)+2Cl^(-)`
Step - V : Balance H atoms O atoms. Here they are balanced.
The balanced equation is
`2MnO_(4)^(2-)+Cl_(2)to2MnO_(4)^(-)+2Cl^(-)`
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