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Chapter 16: Problem 49

Malonic acid \(\left[\mathrm{CH}_{2}(\mathrm{COOH})_{2}\right]\) is a diprotic acid. Explain what that means.

Short Answer

Expert verified
A diprotic acid, like Malonic acid, is an acid that can donate two protons or hydrogen ions in two separate reactions.

Step by step solution

01

Understanding 'acid'

To start with, an 'acid' in chemistry is a substance that can donate a proton or accept an electron pair in reactions.
02

Understanding 'diprotic'

The prefix 'di-' means 'two'. Therefore, when you put these words together, a 'diprotic acid' would be an acid that can donate two protons (also known as hydrogen ions \(\mathrm{H}^{+}\)) in a series of two separate reactions.
03

Applying to Malonic Acid

Looking at the formula for Malonic acid, \(\left[\mathrm{CH}_{2}(\mathrm{COOH})_{2}\right]\), you can see that it has two carboxyl groups (\(\mathrm{COOH}\)). In each of these groups, the hydrogen (\(\mathrm{H}\)) in the hydroxyl (\(\mathrm{OH}\)) part of the group can be donated as a proton. This makes Malonic acid a diprotic acid.

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Most popular questions from this chapter

A typical reaction between an antacid and the hydrochloric acid in gastric juice is \(\mathrm{NaHCO}_{3}(a q)+\mathrm{HCl}(a q) \longrightarrow\) $$\mathrm{NaCl}(a q)+\mathrm{H}_{2} \mathrm{O}(l)+\mathrm{CO}_{2}(g)$$ Calculate the volume (in liters) of \(\mathrm{CO}_{2}\) generated from \(0.350 \mathrm{~g}\) of \(\mathrm{NaHCO}_{3}\) and excess gastric juice at \(1.00 \mathrm{~atm}\) and \(37.0^{\circ} \mathrm{C}\).

Predict the acid strengths of the following compounds: \(\mathrm{H}_{2} \mathrm{O}, \mathrm{H}_{2} \mathrm{~S},\) and \(\mathrm{H}_{2} \mathrm{Se} .\)

Fill in the word "acidic," "basic," or "neutral" for these solutions: (a) \(\mathrm{pOH}>7\); solution is _____. (b) \(\mathrm{pOH}=7\); solution is _____. (c) \(\mathrm{pOH}<7\); solution is _____.

Calculate the number of moles of \(\mathrm{KOH}\) in \(5.50 \mathrm{~mL}\) of a \(0.360 \mathrm{M}\) KOH solution. What is the \(\mathrm{pOH}\) of the solution?

When chlorine reacts with water, the resulting solution is weakly acidic and reacts with \(\mathrm{AgNO}_{3}\) to give a white precipitate. Write balanced equations to represent these reactions. Explain why manufacturers of household bleaches add bases such as \(\mathrm{NaOH}\) to their products to increase their effectiveness.
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