15 Facts on H2SO4 + MnCO3: What, How To Balance & FAQs

Manganese (II) carbonate (MnCO₃) is a mineral compound but is usually produced through an industrial process. Let us take a look at the reaction of H₂SO₄ and MnCO₃.

H₂SO₄ and MnCO₃ on reaction produce sulphates and water. Sulphuric acid (H₂SO₄) is a strong dehydrating agent and an acid. H₂SO₄ is also known as the oil of vitriol. Manganese (II) carbonate is a faint pink mineral compound insoluble in water under normal conditions. MnCO₃ adopts octahedral molecular geometry.

This article will discuss important facts about H₂SO₄ + MnCO₃ reactions like products, intermolecular forces, reaction type and balanced chemical equation.

What is the product of H₂SO₄ and MnCO₃

Manganese (II) sulphate (MnSO₄), carbon dioxide (CO₂) and water are the products of H₂SO₄ + MnCO₃ reaction.

MnCO₃ + H₂SO₄ = MnSO₄ + CO₂ + H₂O

What type of reaction is H₂SO₄ + MnCO₃

H₂SO₄ + MnCO₃ reaction can be considered as an acid-base reaction. Here salt of a weak acid (MnCO₃) reacts with a strong acid (H₂SO₄) to generate weak acid (H₂CO₃) and release water.

How to balance H₂SO₄ + MnCO₃

The balanced chemical equation for the given reaction is:

MnCO₃ + H₂SO₄ = MnSO₄ + CO₂ + H₂O

• Calculate the number of atoms present on the products and reactant side.
• In our case, the atoms are already equal, therefore the balanced chemical equation is
• MnCO₃ + H₂SO₄ = MnSO₄ + CO₂ + H₂O

H₂SO₄ + MnCO₃ titration

H₂SO₄ + MnCO₃ titration is an acid-base titration. Following steps are involved during the titration,

Apparatus:

Conical flask, burette, dropper, funnel, volumetric flask and measuring cylinder.

Indicator:

Phenolphthalein is used as an indicator since its acid versus base titration.

Procedure:

• Prepare a standardized solution of H₂SO₄ and then fill the burette with it.
• Take MnCO₃ in a conical flask and add 2-3 drops of phenolphthalein to it.
• Titrate the solution by adding H₂SO₄ to the conical flask in a dropwise manner.
• Note the reading of the burette when colour of the solution changes from pink to colourless.
• Repeat the experiment to get more concurrent readings.

H₂SO₄ + MnCO₃ net ionic equation

H₂SO₄ + MnCO₃ reaction net ionic equation is

MnCO₃ (s) + 2H⁺ (aq.) = Mn²⁺ (aq.) + CO₂ (g) + H₂O (l)

• Write the general balanced chemical equation for the given reaction
• MnCO₃ + H₂SO₄ = MnSO₄ + CO₂ + H₂O
• Mention the chemical state of each compound involved in the equation
• MnCO₃ (s) + H₂SO₄ (aq.) = MnSO₄ (aq.) + CO₂ (g) + H₂O (l)
• Split strong electrolytes into their ions into both sides of chemical equation
• MnCO₃ (s) + 2H⁺ (aq.) + SO₄^– (aq.) = Mn²⁺ (aq.) + SO₄^– (aq.) + CO₂ (g) + H₂O (l)
• Cancel out the spectator ions, which in our case is SO₄^– to obtain the net ionic equation
• MnCO₃ (s) + 2H⁺ (aq.) = Mn²⁺ (aq.) + CO₂ (g) + H₂O (l)

H₂SO₄ + MnCO₃ conjugate pairs

The conjugate pairs of H₂SO₄ + MnCO₃ reaction are,

• H₂SO₄ and its conjugate base HSO₄^–.
• H₂O and its conjugate base OH_­^–.

H₂SO₄ + MnCO₃ intermolecular forces

H₂SO₄ + MnCO₃ reaction has the following intermolecular forces,

• The intermolecular force present in H₂SO₄ is hydrogen bonding. That is why sulphuric acid is readily soluble in water.
• H₂O also contains intermolecular and intramolecular hydrogen bonding.
• London dispersion forces are present in CO₂ molecules.

H₂SO₄ + MnCO₃ reaction enthalpy

H₂SO₄ + MnCO₃ reaction enthalpy is 260.54 kJ/mol. Standard enthalpy of formation of compounds involved in the reaction are:

Molecules	Reaction enthalpy (in kJ/mol)
H2SO4	-909.27
MnCO3	-1095.8
MnSO4	-1065.2
H2O	-285.8
CO2	-393.5

Δ_fH: Standard enthalpy of formation of products – Standard enthalpy of formation of reactants

Δ_fH: -1065.2 -285.8 -393.5 – (-1095.8 -909.27)

Δ_fH: 260.54 kJ/mol.

Is H₂SO₄ + MnCO₃ a buffer solution

H₂SO₄ + MnCO₃ reaction is not a buffer solution because H₂SO₄ is a strong acid and there can only be present a weak acid or base in a buffer solution.

Is H₂SO₄ + MnCO₃ a complete reaction

H₂SO₄ + MnCO₃ reaction is a complete reaction and products like manganese (II) sulphate (MnSO₄), carbon dioxide (CO₂) and water are formed after the completion of the reaction.

Is H₂SO₄ + MnCO₃ an exothermic or endothermic reaction

The H₂SO₄ + MnCO₃ reaction is an endothermic reaction because reaction enthalpy has a positive value here.

Is H₂SO₄ + MnCO₃ a redox reaction

H₂SO₄ + MnCO₃ reaction is not a redox reaction because there is no change in the oxidation states of atoms involved during the reaction.

Is H₂SO₄ + MnCO₃ a precipitation reaction

H₂SO₄ + MnCO₃ reaction is not a precipitation reaction as no precipitates are formed during the progression of the reaction.

Is H₂SO₄ + MnCO₃ reversible or irreversible reaction

H₂SO₄ + MnCO₃ reaction is an irreversible reaction because the CO₂ gas evolved can not be added back into the reaction mixture.

Is H₂SO₄ + MnCO₃ displacement reaction

H₂SO₄ + MnCO₃ reaction is a double displacement reaction followed by dissociation reaction.

Conclusion

In the end, we can conclude that H₂SO₄ is a strong dehydrating agent that removes water from reactants and acts as a strong acid. The manganese sulphate produced has several practical uses.The reaction follows double displacement to attain its products.