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.

K2SO3(aq) + H2SO4(aq) → K2SO4(aq) + H2O(l) + SO2(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;

K2SO3(aq) + H2SO4(aq) → K2SO4(aq) + H2O(l) + SO2(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.

SO32-(aq) + 2H+(aq)—> SO2(g) + H2O(l) 

  • Write down the balanced chemical equation.
  • The balanced chemical equation for the reaction of H2SO4 + K2SO3 is;
  • K2SO3(aq) + H2SO4(aq) → K2SO4(aq) + H2O(l) + SO2(g)
  • Split the strong electrolytes into ions.
  • In this reaction strong electrolytes are H2SO4, K2SO3 and K2SO4.
  • 2K+(aq) + SO32-(aq) + 2H+(aq) + SO4 2-(aq) —-> 2k+(aq) + SO4 2-(aq) + H2O(l) + SO2(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:
  • SO32-(aq) + 2H+(aq) —–> SO2(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,

Screenshot 253 S 1
Intermolecular forces in H2SO4
Screenshot 266s
Ionic forces in K2SO3

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 + K2SO3 is a double displacement reaction followed by decomposition reaction.

K2SO3(aq) + H2SO4(aq) → K2SO4(aq) + H2O(l) + SO2(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.