Question

In: Chemistry

Balance the following redox reaction in acidic solution. Br? (aq) + MnO2 (s) ? Br2 (l)...

Balance the following redox reaction in acidic solution. Br? (aq) + MnO2 (s) ? Br2 (l) + Mn+2 (aq)

Expert Solution

Unbalanced equation

Br^- + MnO₂ Br₂ + Mn²⁺

Separate the redox reaction into half-reactions.

Oxidation

Br^- Br₂

Reduction

MnO₂ Mn²⁺

Balance all other atoms except hydrogen and oxygen

Oxidation

2Br^- Br₂

Reduction

MnO₂ Mn²⁺

Balance the oxygen atoms.

Oxidation

2Br^- Br₂

Reduction

MnO₂ Mn²⁺ + 2H₂O

Balance the hydrogen atoms.

Oxidation

2Br^- Br₂

Reduction

MnO₂ + 4H⁺ Mn²⁺ + 2H₂O

Balance the charge.

Oxidation

2Br^- Br₂ + 2e^-

Reduction

MnO₂ + 4H⁺ + 2e^- Mn²⁺ + 2H₂O

Make electron gain equivalent to electron lost.

Oxidation

2Br^- Br₂ + 2e^-

Reduction

MnO₂ + 4H⁺ + 2e^- Mn²⁺ + 2H₂O

Add the half-reactions together.

2Br^- + MnO₂ + 4H⁺ + 2e^- Br₂ + Mn²⁺ + 2e^- + 2H₂O
Simplify the equation.

2Br^-(aq) + MnO₂(s) + 4H⁺(aq) Br₂(l) + Mn²⁺(aq) + 2H₂O(l)

queen_honey_blossom answered 2 years ago

Balance this reduction-oxidation reaction. It occurs in an acidic solution. MnO2 + Br- Mn2+ + Br2

Balance the following reaction, which occurs in basic solution. MnO4-(aq) + Br-(aq) --> MnO2(s) + BrO3-(aq)...

Balance the following reaction, which occurs in basic solution. MnO4-(aq) + Br-(aq) --> MnO2(s) + BrO3-(aq) Please show your work.

Balance the following redox reaction in acidic solution by adding the appropriate coefficients. H+(aq)+Mn2+(aq)+NaBiO3(s) => H2O(l)...

Balance the following redox reaction in acidic solution by adding the appropriate coefficients. H+(aq)+Mn2+(aq)+NaBiO3(s) => H2O(l) +MnO4(aq)+Br3+(aq)+Na+(aq). Show steps please.

Balance the following redox reaction in acidic solution by adding the appropriate coefficients. H+(aq)+Mn2+(aq)+NaBiO3(s) => H2O(l)...

Balance the following redox reaction in acidic solution by adding the appropriate coefficients. H+(aq)+Mn2+(aq)+NaBiO3(s) => H2O(l) +MnO4(aq)+Br3+(aq)+Na+(aq). Show steps please.

Balance the following redox reaction occurring in basic solution. I−(aq)+MnO−4(aq)→I2(aq)+MnO2(s)

Complete and balance the following redox reaction in acidic solution a) ReO4- (aq) +IO- (aq) -->...

Complete and balance the following redox reaction in acidic solution a) ReO4- (aq) +IO- (aq) --> IO3- (aq) + Re(s) b) Pb^2+ (aq) + IO3- (aq) --> PbO2(s) + I2(s) c) IO3- (aq) + Re(s) --> ReO4- (aq) +IO- (aq)

A. Please balance this redox reaction occurring in acidic solution Al(s) + Cu2+ ---> Al3+(aq) +...

A. Please balance this redox reaction occurring in acidic solution Al(s) + Cu2+ ---> Al3+(aq) + Cu(s) Balance This: H2S + IO3- + SO42- + I2 B. Please balance this redox reaction occuring in basic solution Al(s) + MnO4-(aq) ---> MnO2(s) +Al(OH)4-(aq) Balance This: I-(aq) + MnO4-(aq) ---> I2(s) + MnO2(s) Please explain :)

Question

Balance the following redox reaction in acidic solution. Br? (aq) + MnO2 (s) ? Br2 (l)...

Solutions

Expert Solution

Related Solutions

Balance this reduction-oxidation reaction. It occurs in an acidic solution. MnO2 + Br- Mn2+ + Br2

Balance the following reaction, which occurs in basic solution. MnO4-(aq) + Br-(aq) --> MnO2(s) + BrO3-(aq)...

Balance the following redox reaction in acidic solution by adding the appropriate coefficients. H+(aq)+Mn2+(aq)+NaBiO3(s) => H2O(l)...

Balance the following redox reaction in acidic solution by adding the appropriate coefficients. H+(aq)+Mn2+(aq)+NaBiO3(s) => H2O(l)...

Balance the following redox reaction occurring in basic solution. I−(aq)+MnO−4(aq)→I2(aq)+MnO2(s)

Complete and balance the following redox reaction in acidic solution a) ReO4- (aq) +IO- (aq) -->...

A. Please balance this redox reaction occurring in acidic solution Al(s) + Cu2+ ---> Al3+(aq) +...

Balance redox reaction in basic solution: Fe(OH)2(s) + MnO4-(aq) -> MnO2 (s) + Fe(OH)3

Balance each of the following redox reactions occurring in acidic solution. PbO2(s) + I?(aq) ? Pb2+(aq)...

Balance each redox reaction occurring in acidic aqueous solution. NO-3 (aq) + Sn2+ (aq) -----> Sn4+...