an acid is a substance that increases the concentration of h₃o⁺ ions in solution. look at the reaction below…

an acid is a substance that increases the concentration of h₃o⁺ ions in solution. look at the reaction below of phenol (c₆h₅oh) with water:\nc₆h₅oh(aq) + h₂o(l) → c₆h₅o⁻(aq) + h₃o⁺(aq)\nwhich reactant acts as an acid by contributing a h⁺ ion to create h₃o⁺ in the chemical equation?\no c₆h₅oh(aq)\no h₂o(l)\no c₆h₅o⁻(aq)\no h₃o⁺(aq)

an acid is a substance that increases the concentration of h₃o⁺ ions in solution. look at the reaction below of phenol (c₆h₅oh) with water:\nc₆h₅oh(aq) + h₂o(l) → c₆h₅o⁻(aq) + h₃o⁺(aq)\nwhich reactant acts as an acid by contributing a h⁺ ion to create h₃o⁺ in the chemical equation?\no c₆h₅oh(aq)\no h₂o(l)\no c₆h₅o⁻(aq)\no h₃o⁺(aq)

Answer

Brief Explanations:

An acid donates a proton ($H^+$). In the given reaction, $C_6H_5OH$ donates a $H^+$ to $H_2O$ to form $H_3O^+$. Water accepts the proton, $C_6H_5O^-$ is the conjugate - base formed, and $H_3O^+$ is the product of the proton - transfer.

Answer:

A. $C_6H_5OH(aq)$