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:

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

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

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

ΔfH: 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.

Screenshot 20221125 213912
Endothermic reaction graph

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.