Question

1) What is the oxidation state of: • S in SO32- • As in AsO43 • Br in BrO3- • Mo in MoO4-2 2) Balance the following redox reactions: • In acidic solutions • H3AsO4(aq) + Zn(s) ? AsH3(g) + Zn+2(aq) • IO3- + SO2 ? I2 + SO4-2 • In basic solutions • Al + H2O ? [Al(OH)4]- + H2 • MnO4- + CH3OH ? MnO2 + HCOO-

          1) What is the oxidation state of:
• S in SO32-
• As in AsO43
• Br in BrO3-
• Mo in MoO4-2

2) Balance the following redox reactions:

• In acidic solutions
• H3AsO4(aq) + Zn(s) ? AsH3(g) + Zn+2(aq)
• IO3- + SO2 ? I2 + SO4-2

• In basic solutions
• Al + H2O ? [Al(OH)4]- + H2
• MnO4- + CH3OH ? MnO2 + HCOO-

1) What is the oxidation state of:
• S in SO32-
• As in AsO43
• Br in BrO3-
• Mo in MoO4-2

2) Balance the following redox reactions:

• In acidic solutions
• H3AsO4(aq) + Zn(s) ? AsH3(g) + Zn+2(aq)
• IO3- + SO2 ? I2 + SO4-2

• In basic solutions
• Al + H2O ? [Al(OH)4]- + H2
• MnO4- + CH3OH ? MnO2 + HCOO-

Added by Alfonso M.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Sri K

12/09/2022

Step 1

This is because the total charge of the ion is -2, and each oxygen atom has an oxidation state of -2. Show more…

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1) What is the oxidation state of: - S in SO32- - As in AsO43- - Br in BrO3- - Mo in MoO4-2 2) Balance the following redox reactions: - In acidic solutions - H3AsO4(aq) + Zn(s) → AsH3(g) + Zn+2(aq) - IO3- + SO2 → I2 + SO4-2 - In basic solutions - Al + H2O → [Al(OH)4]- + H2 - MnO4- + CH3OH → MnO2 + HCOO-