Acidic solution In acidic solution, the bromate ion can be used to react with a

Question

Acidic solution

In acidic solution, the bromate ion can be used to react with a number of metal ions. One such reaction is

BrO3?(aq)+Sn2+(aq)?Br?(aq)+Sn4+(aq)

Since this reaction takes place in acidic solution, H2O(l) and H+(aq) will be involved in the reaction. Places for these species are indicated by the blanks in the following restatement of the equation:

BrO3?(aq)+Sn2+(aq)+     ????Br?(aq)+Sn4+(aq)+     ???

Part A

What are the coefficients of the six species in the balanced equation above? Remember to include H2O(l) and H+(aq) in the appropriate blanks.

Enter the equation coefficients in order separated by commas (e.g., 2,2,1,4,4,3).

Basic solution

Potassium permanganate, KMnO4, is a powerful oxidizing agent. The products of a given redox reaction with the permanganate ion depend on the reaction conditions used. In basic solution, the following equation represents the reaction of this ion with a solution containing sodium sulfite:

MnO4?(aq)+SO32?(aq)?MnO2(s)+SO42?(aq)

Since this reaction takes place in basic solution, H2O(l) and OH?(aq) will be shown in the reaction. Places for these species are indicated by the blanks in the following restatement of the equation:

MnO4?(aq)+SO32?(aq)+     ????MnO2(s)+SO42?(aq)+     ???

Part B

What are the coefficients of the six species in the balanced equation above? Remember to include H2O(l) and OH?(aq) in the blanks where appropriate.

Enter the equation coefficients in order separated by commas (e.g., 2,2,1,4,4,3)

Explanation / Answer

BrO3-(aq)+3Sn2+(aq)+ 6H+>>>Br-(aq)+3Sn4+(aq)+_3H20 AND

2MnO4-(aq)+3SO3^2-(aq)+ H2O>>>2MnO2(s)+3SO4^2-(aq)+2OH-

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