Question

Balance the equation in basic conditions. Phases are optional.

equation:
CoCl2+Na2O2⟶Co(OH)3+Cl−+Na+

Answer 1

To balance the given equation in basic conditions, follow the steps of balancing the elements individually, balancing the atoms by adjusting the coefficients, adding water molecules (OH⁻) to balance the hydrogen atoms, adding electrons (e⁻) to balance the charges, combining H⁺ ions with OH⁻ ions to form water molecules on both sides of the equation, making sure the electrons and water molecules appear only in the half-reaction they belong to, and finally combining the two half-reactions to get the balanced equation.

Step-by-step explanation:

To balance the given equation in basic conditions:

CoCl₂ + Na₂O₂ ⟶ Co(OH)₃ + Cl⁻ + Na⁺

1. First, balance the elements individually.
2. Balance the atoms by adjusting the coefficients.
3. Add water molecules (OH⁻) to balance the hydrogen atoms.
4. Add electrons (e⁻) to balance the charges.
5. Combine H⁺ ions with OH⁻ ions to form water molecules on both sides of the equation.
6. Make sure the electrons and water molecules appear only in the half-reaction they belong to.
7. Combine the two half-reactions to get the balanced equation.

The balanced equation in basic conditions for the given reaction is: 2CoCl₂ + 3Na₂O₂ + 6H₂O ⟶ 2Co(OH)₃ + 6Cl⁻ + 6Na⁺