Problem: Balance each of the following equations according to the half-reaction method:(c) CN−(aq) + ClO2(aq) ⟶ CNO−(aq) + Cl−(aq) (in acid)

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FREE Expert Solution

CN(aq) + ClO2(aq) CNO(aq) + Cl(aq)


Step 1. Separate the whole reaction into half-reactions

CN(aq) CNO(aq)

ClO2(aq) Cl(aq)


Step 2. Balance the non-hydrogen and non-oxygen elements first

CN(aq) CNO(aq)

ClO2(aq) Cl(aq)


Step 3. Balance oxygen by adding H2O to the side that needs oxygen (1 O: 1 H2O)

CN(aq) + H2O(l) CNO(aq)

ClO2(aq) Cl(aq) + 2 H2O(l)


Step 4. Balance hydrogen by adding H+ to the side that needs hydrogen (1 H: 1 H+)

CN(aq) + H2O(l) CNO(aq) + 2 H+(aq)

ClO2(aq) + 4 H+(aq) Cl(aq) + 2 H2O(l)

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Problem Details

Balance each of the following equations according to the half-reaction method:

(c) CN(aq) + ClO2(aq) ⟶ CNO(aq) + Cl(aq) (in acid)

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Balancing Redox Reactions concept. You can view video lessons to learn Balancing Redox Reactions. Or if you need more Balancing Redox Reactions practice, you can also practice Balancing Redox Reactions practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Sparks' class at TEXAS.

What textbook is this problem found in?

Our data indicates that this problem or a close variation was asked in Chemistry - OpenStax 2015th Edition. You can also practice Chemistry - OpenStax 2015th Edition practice problems.