(a) Ag⁺ + 2NH₃ ⇄ Ag (NH₃)₂⁺ - Lewis acid-base reaction
(b) H₂SO₄ + NH₃ ⇄ HSO₄⁻ + NH₄⁺ - Arrhenius reaction, Brønsted-Lowry reaction.
(c) 2HCl ⇄ H₂ + Cl₂(d) AlCl₃ + Cl⁻ ⇄ AlCl₄⁻ - none
What is an Arrhenius acid?
In water, an Arrhenius acid is a chemical that breaks down into hydrogen ions. In other words, an acid makes the hydrogen ions in an aqueous solution more concentrated.
What is Brønsted-Lowry reaction?
- According to the Brønsted-Lowry, an acid-base reaction is the transfer of a proton from one molecule or ion to another.
- According to the Brønsted-Lowry, an [tex]H^{+}[/tex] can be lost or gained (proton). The base is a proton acceptor, whereas the acid is a proton donor.
What is Lewis acid-base reaction?
- A Lewis acid-base reaction is a chemical reaction in which an electron pair acceptor (Lewis base) and an electron pair donor (Lewis acid) establish at least one covalent bond (Lewis acid).
- According to Lewis hypothesis of acid-base reactions, bases give away pairs of electrons while acids take them.
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