Cr + 6NO,¯+ 6H*. →6NO2 + CIO3¯+ 3H2O In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent. name of the element oxidized: name of the element reduced: formula of the oxidizing agent: formula of the reducing agent:
Cr + 6NO,¯+ 6H*. →6NO2 + CIO3¯+ 3H2O In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent. name of the element oxidized: name of the element reduced: formula of the oxidizing agent: formula of the reducing agent:
Introductory Chemistry: An Active Learning Approach
6th Edition
ISBN:9781305079250
Author:Mark S. Cracolice, Ed Peters
Publisher:Mark S. Cracolice, Ed Peters
Chapter19: Oxidation-reduction(electron Transfer) Reactions
Section: Chapter Questions
Problem 19.2TC
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Transcribed Image Text:CI + 6NO3+ 6H*-
→6NO2 + CIO3¯+ 3H2O
In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the
reducing agent.
name of the element oxidized:
name of the element reduced:
formula of the oxidizing agent:
formula of the reducing agent:
Transcribed Image Text:Assigning Oxidation Numbers
Use these rules in order.
The sum of all oxidation numbers of all elements = charge on substance.
Oxidation Number:
Examples:
1. Atoms in their elemental state
Fe, H2, O2
2. Monatomic ions
= charge
F, Fe3+
IN COMPOUNDS
NaCl, KNο
3. Group 1A
4. Group 2A
5. Fluorine
+1
+2
MgO
-1
HF, CIF
6. Hydrogen
7. Oxygen
8. Group 7A
+1
H20
-2
SO2, HCIO4
-1
HCI
9. Group 6A
-2
PbS,
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