Which one of the following is a diprotic acid

The acid equilibrium problems discussed so far have focused on a family of compounds known as monoprotic acids. 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.

Additional Information. Acetic acid is monoprotic acid due to its structure. The three hydrogen atoms attached to the carbon are in weak polar bonds. They do not ionize. Only the H bonded to the highly electronegative oxygen can be ionized. Last updated on Mar 31,

Which one of the following is a diprotic acid

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The acid equilibrium problems discussed so far have focused on a family of compounds known as monoprotic acids. 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 K a for the loss of the first proton is much larger than 1. We therefore assume that essentially all the H 2 SO 4 molecules in an aqueous solution lose the first proton to form the HSO 4 - , or hydrogen sulfate, ion. The table below gives values of K a for some common polyprotic acids. The large difference between the values of K a for the sequential loss of protons by a polyprotic acid is important because it means we can assume that these acids dissociate one step at a time an assumption known as stepwise dissociation. Let's look at the consequence of the assumption that polyprotic acids lose protons one step at a time by examining the chemistry of a saturated solution of H 2 S in water.

Which one of the following is a diprotic acid

Definition: A diprotic acid is an acid that can donate two proton or hydrogen atom per molecule to an aqueous solution. Compare this to a monoprotic acid. Examples: Sulfuric acid H 2 SO 4 is a diprotic acid. Use limited data to select advertising. Create profiles for personalised advertising. Use profiles to select personalised advertising. Create profiles to personalise content. Use profiles to select personalised content.

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Eugenics is the study of:. Bank Note Press Dewas. Which of the following elements occur freely in nature? DMRC Maintainer. BPSC Asst. Bihar Vidhan Sabha Security Guard. AP Police SI. CISF Constable. We can base one assumption on the fact that the value of K a1 for this acid is almost a million times larger than the value of K a2. MP Vyapam Sub Engineer. ESIC Stenographer.

Acids are classified by the number of protons per molecule that they can give up in a reaction. Their reactions with water are:.

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