The ionic equation of hydrogen peroxide reacting with sodium sulphide is Na₂SO₃ + H₂O₂ = Na₂SO₄⁻ + H₂O⁺.
What is an ionic equation?
A chemical equation known as an ionic equation expresses the constituents in an aqueous solution as dissociated ions. The ionic equation is written by using charge in them.
An example is "NaCl" is "Na⁺ + Cl⁻".
To write an ionic equation, we should write by dissolving all soluble ionic chemicals into their corresponding ions. To demonstrate that an ion is present in the solution, it should be displayed with its charge and an (aq). There is also a use of coefficient.
The reaction should be written as:
HS₂O₄ → 2H+ + (SO₄)²⁻
NaOH → Na+ + (OH)-
Na₂SO₄ → 2Na+ + (SO₄)²⁻
H2O exists in the molecular form
So we get 2H+ + (SO₄)²⁻ + 2Na+ + 2(OH)- →2Na+ + (SO₄)²⁻ + 2H₂O
Thus, the ionic equation is Na₂SO₃ + H₂O₂ = Na₂SO₄ + H₂O.
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