Write balanced molecular, total ionic and net ionic equations for the reaction between aqueous solutions of...

Write balanced molecular, total ionic and net ionic equations for the reaction between aqueous solutions of hydriodic acid and lithium hydroxide?

Expert Solution

Ans. Balanced Molecular Reaction: Simply write the balanced reaction.

HCl(aq) + LiOH(aq) --------> LiCl(aq) + H₂O(l)

# Total ionic reaction: Write balanced reaction in ionic forms, i.e. all chemical species must be in their ionic form as applicable.

HCl dissociates into H⁺ and Cl^- ions. LiOH dissociates into Li⁺ and OH^- ions. LiCl is a strong electrolyte and spontaneously dissociates into Li⁺ and Cl^- ions. H2O(l) is a covalent compound with extremely low dissociation constant. So, H2O remain as such.

H⁺(aq) + Cl^-(aq) + Li⁺(aq) + OH^-(aq) --------> Li⁺(aq) + Cl^-(aq) + H₂O(aq)

# Net ionic reaction: In the total or overall ionic reaction, cancel the common ions on either side of the equation as shown-

H⁺(aq) + Cl^-(aq) + Li⁺(aq) + OH^-(aq) --------> Li⁺(aq) + Cl^-(aq) + H₂O(aq)

Cl^- and Li⁺ on LHS cancel their respective terms on RHS.

Thus,

The resultant ionic reaction is now “net ionic” as -

H⁺(aq) + OH^-(aq) --------> H₂O(aq)

queen_honey_blossom answered 2 years ago

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