A. Balance the following reactions by
oxidation number method
b. MnO, (aq) + Br®(aq) - MnO,
+ 13 Cro,(aq) (basic
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Answer:
Balance the reactions/equations :
A. Balance the following reactions by
oxidation number method
a. Cr,0,2(aq) + SO,2® (aq) → Cr® (aq)
+ SO 2º (aq) (acidic)
b. Mno,®(aq) + Br®(aq) - MnO, (s)
+13 Cro,® (aq) (basic)
c. H,SO, (aq) + C () CO, (g) +
SO,(9) + H2O (1) (acidic
d. Bi (OH), (9) + Sn(OH),® (aq) - Bi(3)
+ Sn (OH) 2 (aq) (basic)
Explanation:
Balance the following reactions by
oxidation number method
a. Cr,0,2(aq) + SO,2® (aq) → Cr® (aq)
+ SO 2º (aq) (acidic)
b. Mno,®(aq) + Br®(aq) - MnO, (s)
+13 Cro,® (aq) (basic)
c. H,SO, (aq) + C () CO, (g) +
SO,(9) + H2O (1) (acidic
d. Bi (OH), (9) + Sn(OH),® (aq) - Bi(3)
d. Bi (OH), (9) + Sn(OH),® (aq) - Bi(3)+ Sn (OH) 2 (aq) (basic)✓✓✓
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