15 Facts on H2SO4 + K2SO3: What, How to Balance & FAQs

H₂SO₄ + K₂SO₃ is a distinct reaction in which an acid is reacting with a salt. Let us see how this reaction undergoes.

In H₂SO₄ + K₂SO₃ reaction H₂SO₄ is a strong acid so that it can completely dissociates into the aqueous media and it is very hygroscopic in nature so it does not available naturally. K₂SO₃ is an inorganic compound which is in white crystalline form, it is formed by the thermal decomposition of potassium meta bisulfite.

In this article we will try to explore some of the facts of this H₂SO₄ + K₂SO₃ reaction like its products, intermolecular forces and type of reaction.

What is the product of H₂SO₄ and K₂SO₃

Potassium sulphate, sulfur dioxide and water molecule are formed during the reaction of H₂SO₄ + K₂SO₃.

K₂SO_3(aq) + H₂SO_4(aq) → K₂SO_4(aq) + H₂O_(l) + SO_2(g)

What type of reaction is H₂SO₄ + K₂SO₃

H₂SO₄ + K₂SO₃ is an acid-alkali reaction also known as a neutralization reaction in which acid is reacted with a basic salt in order to form a metal salt and water.

How to balance H₂SO₄ + K₂SO₃

• The balanced chemical equation for the H₂SO₄ + K₂SO₃ reaction is;

K₂SO_3(aq) + H₂SO_4(aq) → K₂SO_4(aq) + H₂O_(l) + SO_2(g)

• In this reaction equimolar amount of H₂SO₄ + K₂SO₃ reacted with each other so there is no need to balance this equation.

H₂SO₄ + K₂SO₃ titration

We cannot perform the titration of H₂SO₄ versus K₂SO₃ since K₂SO₃ is a basic salt.

H₂SO₄ + K₂SO₃ net ionic equation

The reaction H₂SO₄ + K₂SO₃ gets balanced using the following steps.

SO3^2-_(aq) + 2H⁺_(aq)—> SO_2(g) + H₂O_(l) 

• Write down the balanced chemical equation.

• The balanced chemical equation for the reaction of H₂SO₄ + K₂SO₃ is;

• K₂SO_3(aq) + H₂SO_4(aq) → K₂SO_4(aq) + H₂O_(l) + SO_2(g)

• Split the strong electrolytes into ions.

• In this reaction strong electrolytes are H₂SO₄, K₂SO₃ and K₂SO₄.

• 2K⁺_(aq) + SO₃^2-_(aq) + 2H⁺_(aq) + SO₄ ^2-_(aq) —-> 2k⁺_(aq) + SO4 ^2-_(aq) + H₂O_(l) + SO_2(g)

• Cancel the spectator ions on both sides and write down the net ionic equation.

• After cancelling the spectator ions, the net ionic equation for the above reaction is:

• SO₃^2-_(aq) + 2H⁺_(aq) —–> SO_2(g) + H₂O_(l) 

H₂SO₄ + K₂SO₃ conjugate pairs

H₂SO₄ + K₂SO₃ reaction has the following conjugate pairs,

• H₂SO₄ and H₂SO₄^– are the conjugate pairs present in this reaction.

• K₂SO₃ does not form any conjugate pairs because of its salt nature.

H₂SO₄ + K₂SO₃ intermolecular forces

H₂SO₄ + K₂SO₃ reaction has the following intermolecular forces,

• Hydrogen bonding, Vander Waal forces and dipole-dipole interactions are the intermolecular forces present in H₂SO₄ out of which hydrogen bonding is the strongest one.

• In K₂SO₃ ion-ion interactions are present.

H₂SO₄ + K₂SO₃ reaction enthalpy

Literature reviews on the enthalpy of H₂SO₄ + K₂SO₃ reaction is not in existence due to the strong oxidizing property of H₂SO₄.

Is H₂SO₄ + K₂SO₃ a buffer solution

H₂SO₄ + K₂SO₃ is not a buffer solution since H₂SO₄ is a strong acid and K₂SO₃ is a neutral salt.

Is H₂SO₄ + K₂SO₃ a complete reaction

H₂SO₄ + K₂SO₃ is a complete reaction because the products formed during the reaction are stable so they cannot react further.

Is H₂SO₄ + K₂SO₃ an exothermic or endothermic reaction

H₂SO₄ + K₂SO₃ reaction exothermic or endothermic nature are yet to be not in evidence because of the reaction between a strong acid and a neutral salt.

Is H₂SO₄ + K₂SO₃ a redox reaction

H₂SO₄ + K₂SO₃ is not a redox reaction since there is no electronic charge transfer takes place between the reactants.

Is H₂SO₄ + K₂SO₃ a precipitation reaction

H₂SO₄ + K₂SO₃ is not a precipitation reaction because no precipitate formed during the observation.

Is H₂SO₄ + K₂SO₃ reversible or irreversible reaction

H₂SO₄ + K₂SO₃ is an irreversible reaction since the gas formed during the reaction cannot be retrieved and the products do not undergo backward reaction under the same conditions as it requires large amount of energy.

Is H₂SO₄ + K₂SO₃ displacement reaction

H₂SO₄ + K₂SO_{3 is} a double displacement reaction followed by decomposition reaction.

K₂SO_3(aq) + H₂SO_4(aq) → K₂SO_4(aq) + H₂O_(l) + SO_2(g)

Conclusion

K₂SO₄ which is formed during the reaction of H₂SO₄ + K₂SO₃ has a wide range of usage in puffing and in some fruits and vegetables. It is also used as a flash reducer. In pyrotechnics and especially in the manufacturing of glass materials.

Surya Satya

Hi…I am Surya Satya Eluri. I have done my M.Sc in Organic Chemistry. I am very enthusiastic about the high-energy chemistry field. I love to write complicated chemistry concepts in understandable and simple words.
Let’s connect through LinkedIn: