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The earliest an simplest definition of acids and bases was suggested by . He/They defined an acid as a substance with in its formula that dissociates water to yield and a base as a substance with in its formula that dissociates in water to yield . defined an acid as any species that an H+ion, an proton , and a base as any species that an H+ ion, a proton defined an acid as any species that an electron pair to form a bond and a base as any species that an electron pair to form a bond.

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Answer:

Arrhenius, H⁺, H⁺ and an anion, OH⁻, OH⁻ and a cation, Bronsted-Lowry, donates, accepts, Lewis, accepts, donates.

Explanation:

The earliest and simplest definition of acids and bases was suggested by Arrhenius. He defined an acid as a substance with H⁺ in its formula that dissociates water to yield H⁺ and an anion and a base as a substance with OH⁻ in its formula that dissociates in water to yield OH⁻ and a cation.

Examples:

Acid: [tex]HCl_{(aq)} \rightleftharpoons Cl^-_{(aq)} + H^+_{(aq)}[/tex]

Base: [tex]NaOH \; (aq) \rightarrow Na^+ \; (aq) + OH^- \; (aq)[/tex]

Bronsted-Lowry defined an acid as any species that donates an H⁺ ion, an proton , and a base as any species that accepts an H+ ion, a proton.

Examples:

Acid: [tex]HCl_{(aq)} + H_{2}O_{(l)} \rightleftharpoons Cl^-_{(aq)} + H_{3}O^+_{(aq)}[/tex]

Base: [tex]F^-_{(aq)} + H_2O_{(l)} \rightleftharpoons HF_{(aq)} + OH^-_{(aq)}[/tex]

Lewis defined an acid as any species that an accepts an electron pair to form a bond and a base as any species that donates an electron pair to form a bond.

Arrhenius H⁺ and OH⁻. Bronsted-Lowry, donates, accepts proton and Lewis, accepts, donates electron pair.

Concepts of Arrhenius, Bronsted-Lowry and Lewis

Arrhenius proposed that acids are substances that dissociate in water to yield a hydrogen ion (H+), and that bases ionize in water to produce hydroxide ions (OH−).

While on the other hand, Bronsted-Lowry says that any compound that can give a proton to other compound is considered as an acid, and the compound that accepts a proton is considered as base.

According to Lewis, an acid is an electron pair acceptor and a base is an electron pair donor.

Learn more about acid here: https://brainly.com/question/25148363

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