Scelta multipla
Potassium hydrogen phthalate is commonly known as which of the following acids?
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3. Chemical Reactions
Naming Acids
Scelta multipla
What is the correct name for the acid in aqueous solution?
A
Sulfurous acid
B
Sulfate acid
C
Sulfuric acid
D
Hydrosulfuric acid
Guida verificata passo dopo passo1
Identify the chemical formula given: \(H_2SO_4\).
Recognize that \(H_2SO_4\) is composed of hydrogen (H), sulfur (S), and oxygen (O) atoms, specifically two hydrogens, one sulfur, and four oxygens.
Recall the naming conventions for oxyacids (acids containing hydrogen, oxygen, and another element): acids with the polyatomic ion ending in '-ate' are named with the suffix '-ic acid'.
Know that the polyatomic ion \(SO_4^{2-}\) is called sulfate, so the acid formed with \(H_2SO_4\) is named sulfuric acid.
Confirm that sulfurous acid corresponds to \(H_2SO_3\) (with sulfite ion \(SO_3^{2-}\)), and hydrosulfuric acid corresponds to \(H_2S\) (hydrogen sulfide in aqueous form), so these do not match \(H_2SO_4\).
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