Copper (II) oxide (CuO) is an organic compound commonly obtained during copper mining. Let us see how H_{2}SO_{3} and CuO react with each other in this article.

**H _{2}SO_{3} and CuO react to form salt and water. Sulfurous acid (H_{2}SO_{3}) is an acidic chemical that generally occurs as an intermediate during acid rain. It is slightly less acidic than H_{2}SO_{4} and not a strong electrolyte.**

**CuO is a mineral with the common name tenorite.**

We will discuss some useful facts about H_{2}SO_{3} + CuO reactions, like the type of reaction, balanced chemical equation and reaction enthalpy through this article.

**What is the product of ****H**_{2}SO_{3} and CuO

**H**and CuO

_{2}SO_{3}**Copper (II) sulfite and water (H**_{2}**O) are the products of H**_{2}**SO**_{3}** and CuO. the chemical equation for this reaction is,**

**H _{2}SO_{3} + CuO = CuSO_{3} + H_{2}O**

**What type of reaction is ****H**_{2}SO_{3} + CuO

**H**+ CuO

_{2}SO_{3}**H _{2}SO_{3} + CuO reaction is a neutralization reaction. H_{2}SO_{3} is a weak acid and CuO is a weak base when combined, it produces CuSO_{3} salt and H_{2}O. **

**How to balance ****H**_{2}SO_{3} **+ CuO**

**H**_{2}SO_{3}**The balanced chemical equation for H**_{2}**SO**_{3}** + CuO reaction is,**

**H _{2}SO_{3} + CuO = CuSO_{3} + H_{2}O**

**The unbalanced equation for H**_{2}SO_{3}+ CuO reaction is,

**H**_{2}SO_{3}+ CuO = CuSO_{3}+ H_{2}O

**To check if the number of atoms present on both sides of the equation is equal or not.**

**In our case, the atoms are equal on both sides: therefore, the reaction is already balanced.**

**Thus, the balanced chemical equation is,**

**H**_{2}SO_{3}+ CuO = CuSO_{3}+ H_{2}O

**H**_{2}SO_{3} + CuO titration

**+ CuO titration**

**H**_{2}SO_{3}**The titration between H _{2}SO_{3} and CuO cannot be processed because both the compounds are weak electrolytes and do not ionize completely. Thus, no suitable indicator is available for determining the endpoint of the titration.**

**H**_{2}SO_{3} + CuO net ionic equation

**+ CuO net ionic equation**

**H**_{2}SO_{3}**The net ionic equation for H _{2}SO_{3} + CuO reaction is,**

**H _{2}SO_{3} (aq.) + CuO (aq.) = CuSO_{3} (s) + H_{2}O (l)**

**Write the general balanced equation.**

**H**_{2}SO_{3}+ CuO = CuSO_{3}+ H_{2}O

**Indicate the chemical states of compounds involved in the reaction to obtain the total ionic equation.**

**H**_{2}SO_{3}(aq.) + CuO (aq.) = CuSO_{3}(s) + H_{2}O (l)

**Split the strong electrolytes into their respective ions. Here no molecule is a strong electrolyte; therefore, the net ionic equation is,**

**H**_{2}SO_{3}(aq.) + CuO (aq.) = CuSO_{3}(s) + H_{2}O (l)

**H**_{2}SO_{3} + CuO conjugate pairs

**+ CuO conjugate pairs**

**H**_{2}SO_{3}**H _{2}SO_{3} + CuO reaction has the following conjugate pairs,**

**Conjugate pair of H**_{2}**O is its conjugate base OH**^{–}**.**

**The conjugate pair of H**_{2}SO_{3}is its conjugate base HSO_{3}^{–}.

**H**_{2}SO_{3} and CuO intermolecular forces

**and CuO intermolecular forces**

**H**_{2}SO_{3}**H _{2}SO_{3} + CuO reaction has the following intermolecular forces,**

**The intermolecular forces between CuSO**_{3}molecules are ionic bonds as CuSO_{3}is an ionic compound.

**H**_{2}O molecules contain dipole-dipole interaction and hydrogen bonding.

**Is ****H**_{2}SO_{3} + CuO a buffer solution

**+ CuO a buffer solution**

**H**_{2}SO_{3}**H _{2}SO_{3} + CuO is not a buffer solution because there is no conjugate acid for sulfurous acid.**

**Is ****H**_{2}SO_{3} + CuO a complete reaction

**+ CuO a complete reaction**

**H**_{2}SO_{3}**H _{2}SO_{3} + CuO reaction is a complete reaction and no further steps are left in the reaction.**

**Is ****H**_{2}SO_{3} + CuO a redox reaction

**+ CuO a redox reaction**

**H**_{2}SO_{3}**The H _{2}SO_{3} + CuO reaction is not a redox reaction as the oxidation states of atoms present in the chemical equation are unchanged.**

**Is ****H**_{2}SO_{3} + CuO a precipitation reaction

**+ CuO a precipitation reaction**

**H**_{2}SO_{3}**H _{2}SO_{3} + CuO reaction is a precipitation reaction and white precipitates of CuSO_{3} are obtained.**

**Is ****H**_{2}SO_{3} + CuO reversible or irreversible reaction

**+ CuO reversible or irreversible reaction**

**H**_{2}SO_{3}**H _{2}SO_{3} + CuO reaction is an irreversible reaction because the CuSO_{3} precipitates do not dissolve back to obtain the reactants back.**

**Is ****H**_{2}SO_{3} + CuO displacement reaction

**+ CuO displacement reaction**

**H**_{2}SO_{3}**H _{2}SO_{3} + CuO is a double displacement reaction in which Cu and H_{2} displace each other from their respective molecules to form new products.**

**Conclusion**

This article concludes that Copper (II) oxide (CuO) reacts with acids to produce corresponding salts. It is also used to provide colours in ceramics. H_{2}SO_{3} is only intermediate and tries to be stable by the further reaction.

Hi, I am Sahil Singh. I completed my graduation in Bachelor of Science. I always have keen interest in Physics & Chemistry. I worked on my own blog for 1 year in the technology and gaming niche. I try my best to provide valuable knowledge through my articles.

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