Question

Write the name and formula of mono, die, and triptotic acid.​

Answer 1

Answer:

Explanation:

Monobasic Acids also know as monoprotic acids

 

These are acids which yield one free hydrogen ion in solution for each molecule of acid ionized. An example of a monobasic acid is hydrochloric acid (HCl).

HCl → H+ + Cl -

 

Dibasic Acids also know as diprotic acids

These are acids which yield two free hydrogen ions in solution for each molecule of acid ionized. An example of a dibasic acid is sulphuric acid H2SO4.

H2SO4 → 2H+ + SO42-

 

Tribasic Acids also know as triprotic acids

These are acids which yield three free hydrogen ions in solution for each molecule of acid ionized. An example of a tribasic acid is phosphoric acid (H3PO4).

H3PO4 → 3H + + PO43-

Answer 2

The acid equilibrium problems discussed so far have focused on a family of compounds known as monoprotic acids. Each of these acids has a single H+ ion, or proton, it can donate when it acts as a Brnsted acid. Hydrochloric acid (HCl), acetic acid (CH3CO2H or HOAc), nitric acid (HNO3), and benzoic acid (C6H5CO2H) are all monoprotic acids.

Several important acids can be classified as polyprotic acids, which can lose more than one H+ ion when they act as Brnsted acids. Diprotic acids, such as sulfuric acid (H2SO4), carbonic acid (H2CO3), hydrogen sulfide (H2S), chromic acid (H2CrO4), and oxalic acid (H2C2O4) have two acidic hydrogen atoms. Triprotic acids, such as phosphoric acid (H3PO4) and citric acid (C6H8O7), have three.

There is usually a large difference in the ease with which these acids lose the first and second (or second and third) protons. When sulfuric acid is classified as a strong acid, students often assume that it loses both of its protons when it reacts with water. That isn't a legitimate assumption. Sulfuric acid is a strong acid because Ka for the loss of the first proton is much larger than 1. We therefore assume that essentially all the H2SO4 molecules in an aqueous solution lose the first proton to form the HSO4-, or hydrogen sulfate, ion.

H2SO4(aq) + H2O(l) ----> H3O+(aq) + HSO4-(aq)  Ka1 = 1 x 103

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