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Will carboxylic acid when added to water lower the pH of the water?

Carboxylic acid is a misnomer.

Below is equation for the dissociation of citric acid when dissolved in water into 3 H3O+1 ions and 1 C6H5O7-1 ion

H3C6H5O7 + 3 H2O = 3 H3O+1 + C6H5O7-1

Organic acids are carboxylic acids because they have one of more carboxyl groups attached to an organic molecule such as citric acid. The formula is H3C6H5O7. The structure is shown below.

A carboxyl group has a carbon atom with an O double bonded to it and an O-H single bonded to it. Do you see 3 of carboxyl groups on the structure below? The H attached to the single bonded O is the acid H. These 3 H+1 ions will bond to 3 water molecules forming the 3 hydronium ions. pH measures the concentration of hydronium ions in a solution.

pH = - log [H3O+1] ( negative log of hydronium concentration)

The more H3O+1 ions, the higher the pH.

..………..….…..H

…………..….....!

………...H…....O..H

………....!.......!...!

O=C…..C…..C….C…..C = O

…..!.......!.....!.....!.....!

….O…....H….O....H....O

….!..............!............!

…H………......H…….....H

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Related Questions

What are the products of an ester and water?

The products of a reaction between an ester and water are an alcohol and a carboxylic acid. This reaction is known as hydrolysis and involves the breaking of the ester bond, which results in the formation of the alcohol and carboxylic acid molecules.


What happens to water solubility as chain length increases in carboxylic acid?

As the chain length of a carboxylic acid increases, its water solubility generally decreases. Longer chain lengths result in larger molecules that are less able to interact with water molecules, making them less soluble in water. Additionally, longer chain lengths increase the hydrophobic nature of the molecule, further reducing its solubility in water.


When water is added to a strong acid or base the acid or base becomes less dilute?

When water is added to a strong acid or base, the concentration of the acid or base decreases because water dilutes the solution. This results in a less concentrated solution of the acid or base.


What type of a reaction between amonia and carboxylic acid?

The reaction between Ammonia and a Carboxylic Acid result, counter intuitively, in the production of an Ammonium Carboxylate and not an Amide. This reaction is there for an acid-base neutralization reaction.


What is the word equation for Di-carboxylic acid neutralizing with sodium hydroxide?

Di-carboxylic acid (such as oxalic acid) neutralizes with sodium hydroxide to form sodium salt of the di-carboxylic acid and water. The general word equation is di-carboxylic acid + sodium hydroxide -> sodium di-carboxylate + water.


Will you add carboxylic acid to make carboxylate salt?

Yes, carboxylic acids can be converted into carboxylate salts by reacting them with a base. The base will deprotonate the carboxylic acid, resulting in the formation of a carboxylate salt and water.


What happens to pH of water when hydrochloric acid is added to water?

The pH of water decreases when hydrochloric acid is added to it because hydrochloric acid is a strong acid that donates protons in water, increasing the concentration of hydrogen ions and lowering the pH of the solution.


What is the Reaction with carboxylic acid and metal acids?

When carboxylic acids react with metal hydroxides, they form metal carboxylates and water through a neutralization reaction. This process involves the transfer of a proton from the carboxylic acid to the metal hydroxide, leading to the formation of the salt (metal carboxylate) and water as a byproduct.


What is the equation for the reaction of the salt of the carboxylic acid with HCl?

The reaction between the salt of a carboxylic acid and HCl results in the formation of the carboxylic acid itself and the salt of hydrochloric acid. The general equation for this reaction is: Salt of carboxylic acid + HCl → Carboxylic acid + Salt of hydrochloric acid


Is a sodium fatty acid salt the same as a carboxylic acid salt?

Yes, a sodium fatty acid salt is a type of carboxylic acid salt. Fatty acids are carboxylic acids with long hydrocarbon chains, and when they react with a base like sodium hydroxide, they form carboxylic acid salts such as sodium fatty acid salts.


Is ch3ch2co2h a ester?

No, ch3ch2co2h (also known as ethanoic acid or acetic acid) is not an ester. It is a carboxylic acid. Ester molecules are formed by the reaction between a carboxylic acid and an alcohol.


What solution contains a carboxylic acid?

Vinegar is dilute acetic acid and thus contains a carboxylic acid.