Chapter 16: Problem 145
Give an example of (a) a weak acid that contains oxygen atoms, (b) a weak acid that does not contain oxygen atoms, (c) a neutral molecule that acts as a Lewis acid, (d) a neutral molecule that acts as a Lewis base, (e) a weak acid that contains two ionizable \(\mathrm{H}\) atoms, (f) a conjugate acid-base pair, both of which react with \(\mathrm{HCl}\) to give carbon dioxide gas.
Short Answer
Step by step solution
Identifying a Weak Acid with Oxygen
Identifying a Weak Acid without Oxygen
Identifying a Neutral Lewis Acid
Identifying a Neutral Lewis Base
Identifying a Weak Acid with Two Ionizable Hydrogens
Finding a Conjugate Acid-Base Pair with CO2 Formation
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
Oxygen-containing acids
- Presence of oxygen contributes to the acid's properties.
- Oxygen's electronegativity enables stronger hydrogen bonding.
- They usually result in a well-stabilized conjugate base.
Lewis acids
- They often have an electron-deficient center.
- Commonly involve elements from groups 13 and 14 in the periodic table.
- Electron pair acceptance forms strong coordination bonds.
Lewis bases
- They have a non-bonding pair of electrons available for donation.
- They are often compounds that contain nitrogen, oxygen, or sulfur atoms.
- Their basicity is influenced by the availability and stability of the electron pair.
Ionizable hydrogen atoms
- Each hydrogen atom can dissociate under specific conditions.
- Determines the acidity and functionality of the acid.
- Often related to the hydrogens bonded to electronegative elements.
Conjugate acid-base pairs
- One species donates a proton while the other accepts it.
- They are fundamental to buffer solutions.
- Can transform in the presence of strong acids or bases.