HCl + NaOH (Net ionic equation)?

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The given problem is (NaOH + HCl), we know this reaction is a neutralization reaction in which NaOH acts as a strong base and HCl as a strong acid.

A balanced chemical equation for the reaction of (NaOH + HCl) is –

chemical equation of naoh and hcl

Steps involved in writing a net ionic equation are –

  1. Write the complete ionic equation.
  2. Identify spectator ions.
  3. Cancel the spectator ions.
  4. Obtain the net ionic equation.

When NaOH reacts with HCl, then,  NaOH dissociates into Naand OH ions while HCl dissociates into Hand Cl on the reactant side. While on the product side, NaCl is also water soluble so it breaks down into Naand Cl ions in the presence of H2O.  

So the complete ionic equation for this reaction is:

⇒ Na+(aq) + OH(aq) + H+(aq) + Cl(aq) –> Na+(aq) + Cl(aq) + H2O

By looking at the above reaction, we find, (Na+ and Cl) are spectator ions, hence, canceling them and obtaining the net ionic equation.

net ionic equation of HCl + NaOH

The net ionic equation of HCl + NaOH is –
H+(aq) + OH(aq) H2O(l)

This net ionic equation shows that an acid-base neutralization reaction actually takes place between hydrogen (H+) and hydroxide (OH) ions only.

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