It is due to the fact that the anion in the salt is the conjugate base of a weak acid.

Sodium acetate is a basic salt; the acetate ion is capable of …
What makes a basic salt basic? These dissociate in their aqueous solution to form their constituent ions, as given by the following examples.

The term acid is derived from a Latin word ‘acidus’ or ‘acere’, which means sour. For example, The name of a salt starts with the name of the cation (e.g., Common salt-forming anions (parent acids in parentheses where available) include: When dissolved in water, a basic salt yields a solution with pH greater than 7.0.In acid-base chemistry, a salt is defined as the ionic compound that results from a neutralization reaction between an acid and a base. Based on their occurrence, they are divided into two types- Natural and mineral acids. Examples of anions with an acidic proton include:Each of these anions contains a proton that will weakly dissociate in water.

Natural Acids:These are obtained from natural sources, such as fruits … The most common characteristic is their sour taste. This is due either to the presence of a metal cation that acts as a Lewis acid (which will be discussed in a later concept), or, quite commonly, due to a hydrolyzable proton in the cation or the anion. Basic salts form from the neutralization of a strong base and a weak acid; for instance, the reaction of sodium hydroxide (a strong base) with acetic acid (a weak acid) will yield water and sodium acetate. The first scientific concept of acids and bases was provided by Lavoisier in around 1776. For a generalized anion B[latex]\text{B}^-(\text{aq})+\text{H}_2\text{O}(\text{l})\rightleftharpoons \text{BH}(\text{aq})+\text{OH}^-(\text{aq})[/latex]An example of a basic salt is sodium bicarbonate, NaHCO[latex]\text{HCO}_3^-(\text{aq})+\text{H}_2\text{O}(\text{l})\rightleftharpoons \text{H}_2\text{CO}_3(\text{aq})+\text{OH}^-(\text{aq})[/latex]Because it is capable of deprotonating water and yielding a basic solution, sodium bicarbonate is a basic salt.Notice that for all of these examples, the anion is the conjugate base of a weak acid (carbonic acid, bisulfate (second dissociation step of sulfuric acid), acetic acid, hydrocyanic acid, hydrogen sulfide).Keep in mind that a salt will only be basic if it contains the conjugate base of a When dissolved in water, acidic salts form solutions with pH less than 7.0.Explain the formation of acid salts and their effects on a solution’s pH.When dissolved in water, acidic salts will yield solutions with pH less than 7.0. When we observe products of the reaction, sodium chloride is a soluble salt in water, and ammonia is a gas. As such, salts are composed of cations (positively charged ions ) and anions (negative ions), and in their unsolvated, solid forms, they are electrically neutral (without a net charge).
A good example of such a salt is ammonium bicarbonate, NH[latex]\text{NH}_4\text{CO}_3(\text{s})\rightarrow \text{NH}_4^+(\text{aq})+\text{HCO}_3^-(\text{aq})[/latex]However, as we have already discussed, the ammonium ion acts as a weak acid in solution, while the bicarbonate ion acts as a weak base.

The reactions are as follows:[latex]\text{NH}_4^+(\text{aq})+\text{H}_2\text{O}(\text{l})\rightleftharpoons \text{H}_3\text{O}^+(\text{aq})+\text{NH}_3(\text{aq})\quad\quad \text{K}_\text{a}=5.6\times10^{-10}[/latex][latex]\text{HCO}_3^-(\text{aq})+\text{H}_2\text{O}(\text{l})\rightleftharpoons \text{H}_2\text{CO}_3(\text{aq})+\text{OH}^-(\text{aq})\quad\quad \text{K}_\text{b}=2.4\times 10^{-8}[/latex]Because both ions can hydrolyze, will a solution of ammonium bicarbonate be acidic or basic? Ammonium hydroxide (NH 4 OH) is a weak base and NaCl is a salt. ammonium chloride + sodium hydroxide will form precipitate with ammonia gas? Salts are formed by a chemical reaction between: A base and an acid, e.g., NH 3 + HCl → NH 4 Cl A metal and an acid, e.g., Mg + H 2 SO 4 → MgSO 4 + … Basic salts form from the neutralization of a strong base and a weak acid; for instance, the reaction of sodium hydroxide (a strong base) with acetic acid (a weak acid) will yield water and sodium acetate.

Therefore, salts containing these anions—such as potassium bisulfate—will yield weakly acidic solutions in water.From the previous concept, we know that salts containing the bicarbonate ion (HCOPredict the pH of a solution of a salt containing cations and anions, both of which participate in hydrolysis.As we have discussed, salts can form acidic or basic solutions if their cations and/or anions are hydrolyzable (able to react in water).


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