Indicate whether each of the following chemical conversions REQUIRES an oxidizing agent (O), a reducing agent
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Indicate whether each of the following chemical conversions REQUIRES an oxidizing agent (O), a reducing agent

[From: ] [author: ] [Date: 12-04-04] [Hit: ]
an oxidizing agent is required. In c), there is no change in the oxidation numbers, so neither is required.......
Indicate whether each of the following chemical conversions REQUIRES an oxidizing agent (O), a reducing agent (R), or neither (N).



a) NO31- NH3

b) PO33- PO43-

c) AgCl Ag1+ + Cl1-

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a) NO3- --> NH3 Requires a reducing agent

b) PO33- --> PO43- Requires an oxidizing agent

c. AgCl --> Ag+ + Cl- There is no change in oxidation number.

You figure this out by looking at the oxidation numbers of things in the equations. In the first one, the oxidation number of N decreases. Since this is a reduction, a reducing agent is required. In b), the oxidation number of P increases. Since this is an oxidation, an oxidizing agent is required. In c), there is no change in the oxidation numbers, so neither is required.
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