13 Facts on HCl + NaH2pO4: What, How To Balance & FAQs

HCl + NaH₂PO₄ is a reaction between a strong acid and a salt of an acid. Let us examine this reaction in a bit more detail.

HCl is an aqueous solution of hydrogen chloride gas known by its common name, muriatic acid. HCl is widely used as a reagent in many chemical equations, whereas NaH₂PO₄ has a crystalline structure and is white. It is used as an additive in various food materials.

With the help of a balanced equation, we will learn more facts about this reaction like buffer reaction, net ionic equation etc.

What is the product of HCl and NaH₂PO₄

NaHCl₂(Sodium hypochlorite) and H₃PO₄ (Phosphoric acid) are the two products that are formed when HCl reacts with NaH₂PO₄

NaH₂PO₄ + 2HCl → NaHCl₂ + H₃PO₄

What type of reaction is HCl + NaH₂PO₄

HCl + NaH₂PO₄ is a double displacement reaction because ions of NaH₂PO₄ and HCl mutually exchange their places to form this reaction.

How to balance HCl+ NaH₂PO₄

• Write the skeletal equation.
• NaH₂PO₄ + HCl → NaHCl₂ + H₃PO₄
• List the number of atoms of each element.

• Balance the number of Hydrogen and Chlorine atoms.

• The balanced chemical equation is:

• NaH₂PO₄ +2HCl → NaHCl₂ + H₃PO₄

HCl + NaH₂PO₄ titration

The titration of HCl and NaH₂PO₄ is not possible because NaH₂PO₄ is an acid salt.

HCl+ NaH₂PO₄ net ionic equation

The net ionic equation for HCl and NaH₂PO₄ is,

• H₂PO₄^–(aq) → 2H⁺(aq) + PO₄^3-(aq)

• To derive the net ionic equation for the reaction of HCl and NaH₂PO₄ is,

• NaH₂PO₄ +2HCl → NaHCl₂ + H₃PO₄

• Write the physical states of each compound along with them.
• NaH₂PO₄(aq) +2HCl(aq) → NaHCl₂(aq) + H₃PO₄(aq)

• Break all the ionic compounds which are soluble into their ions.

• Na⁺(aq) + H₂PO₄^–(aq) + H⁺(aq) + Cl^–(aq) → 3H⁺(aq) + PO₄^3-(aq) + Na⁺(aq) + Cl^–(aq)

• Remove all the spectator ions.

• Write the remaining equation, which is the net ionic equation.
• H₂PO₄^–(aq) → 2H⁺(aq) + PO₄^3-(aq)

HCl + NaH₂PO₄ conjugate pairs

HCl and NaH₂PO₄ has the following conjugate pairs :

• The conjugate base pair of HCl is Cl^– and is formed by donating a proton.

• The conjugate acid pair of NaH₂PO₄ is NaH₂PO₄^–.

HCl and NaH₂PO₄ intermolecular forces

HCl and NaH₂PO₄ has the following types of intermolecular forces:

• HCl has two types of intermolecular forces between its particles: dipole-dipole and London dispersion forces.

• NaH₂PO₄ has an ionic bond between its molecules.

Is HCl + NaH₂PO₄ a buffer solution

HCl and NaH₂PO₄ is not a buffer solution as it has a strong acid, that is, HCl and a salt of weak acid named NaH₂PO₄, and a buffer solution does not comprise a strong acid or a strong base.

Is HCL + NaH₂PO₄ a complete reaction

The reaction of HCl and NaH₂PO₄ is a complete reaction because two complete reactants combine and exchange their ions to form two different products.

Is HCl + NaH₂PO₄ a redox reaction

The reaction between HCl and NaH₂PO₄ is not a redox reaction because the oxidation states of elements do not change when the products are formed.

Is HCl + NaH₂PO₄ a precipitation reaction

When HCl reacts with NaH₂PO₄, it is not a precipitation reaction because no residue is formed when this reaction takes place and the compounds formed are completely soluble.

Is HCl + NaH₂PO₄ reversible or irreversible reaction

The reaction of HCl with NaH₂PO₄ is a reversible reaction because the products formed can go back to the reactant state, and the reaction can go back both in the forward and backward direction.

Is HCl + NaH₂PO₄ displacement reaction

The reaction of HCl with NaH₂PO₄ is a double displacement reaction because the two ions mutually exchange their positions. 

Conclusion

This reaction yields a very strong acid, that is phosphoric acid which is colourless and odourless. In an aqueous solution, phosphoric acid acts like a tripotic acid. It has its major use in fertilizers, both natural and chemical.