Multiple Choice
Which of the following is the correct nomenclature for a binary acid?
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3. Chemical Reactions
Naming Acids
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What is the correct name for the acid with the formula H_2SO_4?
A
Sulfuric acid
B
Hydrosulfuric acid
C
Sulfurous acid
D
Sulfic acid
Verified step by step guidance1
Identify the elements present in the acid formula H_2SO_4: hydrogen (H), sulfur (S), and oxygen (O).
Recognize that acids containing oxygen are called oxyacids, and their names depend on the polyatomic ion they contain.
Determine the polyatomic ion in H_2SO_4, which is sulfate (SO_4^{2-}).
Recall the naming rules for oxyacids: acids with the suffix '-ate' in the polyatomic ion are named with the suffix '-ic acid'. Since sulfate ends with '-ate', the acid name ends with '-ic acid'.
Combine the root name of the polyatomic ion 'sulfur' with the suffix '-ic acid' to get the correct name: sulfuric acid.
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