Balance the following redox reactions by balancing the half reactions and then combine the half reactions...
Balance the following redox reactions by balancing the half reactions and then combine the half reactions to get the overall balanced redox reaction with the lowest possible whole number coefficients.
1. Consider the following unbalanced redox reaction:
MnO2(s) + BrO3−(aq) →
MnO4−(aq) + Br−(aq)
(a) Balance the corresponding half reactions in acidic
conditions using the lowest possible whole number
coefficients.
(Enter coefficients for one and zero. Blanks will be marked
incorrect.)
MnO2(s) + H2O(l) + OH−(aq) + H+(aq) + e− → MnO4−(aq) + H2O(l) + OH−(aq) + H+(aq) + e−
| Tries 0/3 |
BrO3−(aq) + H2O(l)
+ OH−(aq) + H+(aq)
+ e− → Br−(aq)
+ H2O(l) + OH−(aq)
+ H+(aq) + e−
| Tries 0/3 |
(b) Using the results from part (a), balance the full reaction
in acidic conditions with the lowest possible
whole number coefficients.
(Enter coefficients for one and zero. Blanks will be marked
incorrect.)
MnO2(s) + BrO3−(aq) + H2O(l) + OH−(aq) + H+(aq) → MnO4−(aq) + Br−(aq) + H2O(l) + OH−(aq) + H+(aq)
| Tries 0/3 |
2. Consider the following unbalanced redox reaction:
AsO2−(aq) + ClO−(aq) → As(s) +
ClO2−(aq)
(a) Balance the corresponding half reactions in acidic
conditions using the lowest possible whole number
coefficients.
(Enter coefficients for one and zero. Blanks will be marked
incorrect.)
AsO2−(aq) + H2O(l)
+ OH−(aq) + H+(aq)
+ e− → As(s)
+ H2O(l) + OH−(aq)
+ H+(aq) + e−
| Tries 0/3 |
ClO−(aq) + H2O(l)
+ OH−(aq) + H+(aq)
+ e−
→ ClO2−(aq)
+ H2O(l) + OH−(aq)
+ H+(aq) + e−
| Tries 0/3 |
(b) Using the results from part (a), balance the full reaction
in acidic conditions with the lowest possible
whole number coefficients.
(Enter coefficients for one and zero. Blanks will be marked
incorrect.)
AsO2−(aq) + ClO−(aq) + H2O(l) + OH−(aq) + H+(aq) → As(s) + ClO2−(aq) + H2O(l) + OH−(aq) + H+(aq)
| Tries 0/3 |
(c) Using the results from part (b), balance the full reaction
in basic conditions with the lowest possible whole
number coefficients.
(Enter coefficients for one and zero. Blanks will be marked
incorrect.)
AsO2−(aq) + ClO−(aq) + H2O(l) + OH−(aq) + H+(aq) → As(s) + ClO2−(aq) + H2O(l) + OH−(aq) + H+(aq)
Homework Answers
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Balance the following redox reactions by balancing the half
reactions and then combine the half reactions...
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(10 pts) Balance the following redox reactions by first separating the oxidation and reduction half-reactions. a....
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2. Consider the following unbalanced redox reaction: CIO2 (aq) Cr(OH)1(s)CI(aq) +Cr04(aq) (a) Balance the corresponding half reactions in acidic conditions using the lowest possible whole number coefficients Enter coeffcients for one and zero. Blanks i be marked incorrect.) CIO2 (aq) + Submil Answer Tries 0/3 H20(I) + OH (aq) + Submi AnserTries 0/3 (b) Using the results from part (a), balance the full reaction in acidic conditions with the lowest possible whole number coefficients. (Enter coefficients for one and zero....
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