Step by step on how to solve redox in base: CN- + MnO-4 ---> CNO- + MnO2

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Step by step on how to solve redox in base:

CN- + MnO-4 ---> CNO- + MnO2

Expert Solution
Step 1: Calculation of oxidation states:

Given skeleton reaction:

M n O subscript 4 to the power of minus space plus space C N to the power of minus space minus greater than space M n O subscript 2 space plus space C N O to the power of minus

First of all split the skeleton equation into two half-reactions

The Oxidation state of Mn in M n O subscript 4 to the power of minus is +7 and in M n O subscript 2 is +4

The Oxidation state of CN in CN- is -1 and in CNO- IS +3

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