Write equations to illustrate the acid-base reaction when...

Write equations to illustrate the acid-base reaction when each of the following pairs of Bronsted acids and bases are combined: Acid Base a. $\mathrm{H}_3 \mathrm{O}^{+} \quad \mathrm{NH}_2^{-}$ b. $\mathrm{H}_2 \mathrm{PO}_4{ }^{-} \quad \mathrm{NH}_3$ c. $\mathrm{HS}_2 \mathrm{O}_3^{-} \quad \mathrm{OCl}^{-}$ d. $\mathrm{H}_2 \mathrm{O} \quad \mathrm{ClO}_4^{-}$ e. $\mathrm{H}_2 \mathrm{O} \quad \mathrm{NH}_3$

Write equations to illustrate the acid-base reaction when each of the following pairs of Bronsted acids and bases are combined:

Acid Base
a. $\mathrm{H}_3 \mathrm{O}^{+} \quad \mathrm{NH}_2^{-}$
b. $\mathrm{H}_2 \mathrm{PO}_4{ }^{-} \quad \mathrm{NH}_3$
c. $\mathrm{HS}_2 \mathrm{O}_3^{-} \quad \mathrm{OCl}^{-}$
d. $\mathrm{H}_2 \mathrm{O} \quad \mathrm{ClO}_4^{-}$
e. $\mathrm{H}_2 \mathrm{O} \quad \mathrm{NH}_3$

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Key Concepts

Bronsted-Lowry Acid-Base Theory

The Bronsted-Lowry theory defines acids as proton donors and bases as proton acceptors. This framework is central to understanding many chemical reactions, as it simplifies the process of identifying which species in a reaction can donate or accept protons during the reaction mechanism.

Proton Transfer

Proton transfer is the key underlying mechanism in acid-base reactions according to Bronsted-Lowry theory. It involves the movement of a proton (H?) from an acid to a base, resulting in the formation of a conjugate acid and a conjugate base.

Conjugate Acid-Base Pairs

In every acid-base reaction, the acid that donates a proton forms its conjugate base, while the base that accepts a proton forms its conjugate acid. Understanding these pairs is crucial for predicting the products of a reaction and for balancing chemical equations involving acids and bases.

Writing Acid-Base Reaction Equations

Writing balanced equations for acid-base reactions involves identifying the species that act as acids and bases, indicating the transfer of a proton between them, and showing the formation of the conjugate acid and conjugate base. This process highlights the conservation of mass and charge, and it is key in the systematic representation of chemical reactions.

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