Question
Asked Oct 15, 2019
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3. Write the hydrolysis reactions for each of the following weak acids and bases then identify the
conjugate acid/base pairs

d. Nitrous acid
e. Acetic acid

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Expert Answer

Step 1

An acid is a substance that gives  ions in its solution whereas a basic substance gives  ions in its solution. The reaction of an acid HA with a base BOH can be written as given.

BA stands for salt and the reaction named as neutralization reaction. Thus the reaction of an acid with a base results in the formation of salt and water. The salt is an ionic compound that is formed by the combination of the cation (B+) from base and anion (A-) from acid and forms salt BA.

ВА + Н.О
НА + ВОН-
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ВА + Н.О НА + ВОН-

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Step 2

The Bronsted-Lowry acid-base theory was purposed by Bronsted and Lowery is called Bronsted-Lowry acid-base theory. It states that acid can give H+ ions whereas a base can accept the  ion in its solution. Hence this theory is entirely based on the presence of H+ ion in the given substance.  It purposed the concept of conjugate acid-base pair. A Bronsted acid gives H+  ion to form conjugate base whereas a Bronsted base accepts ion to form its conjugate acid.

НоО"
HA H0
А'
Bronsted Bronsted
Conjugated Conjugated
Acid
base
base
acid
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НоО" HA H0 А' Bronsted Bronsted Conjugated Conjugated Acid base base acid

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Step 3

A strong acid shows complete dissociation to respective anion and H3O+whereas a weak acid can only partially ionized to its res...

НА +
Н.О
Н.о
AT
Bronsted Bronsted
Conjugated Conjugated
base
Acid
base
acid
(strong)
(weak)
(strong)
(weak)
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НА + Н.О Н.о AT Bronsted Bronsted Conjugated Conjugated base Acid base acid (strong) (weak) (strong) (weak)

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