Multiple Choice
Which of the following is the correct chemical formula for phosphorous acid?
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Naming Acids
Multiple Choice
What is the correct name for the acid with the formula HNO_3?
A
Nitrate acid
B
Nitrous acid
C
Nitric acid
D
Hydronitric acid
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Verified step by step guidance1
Identify the chemical formula given: HNO_3.
Recognize that HNO_3 is an oxyacid, meaning it contains hydrogen, oxygen, and another element (in this case, nitrogen).
Recall the naming rules for oxyacids: acids with the polyatomic ion ending in '-ate' are named with the suffix '-ic' followed by the word 'acid'.
Know that the polyatomic ion NO_3^- is called nitrate, so the acid formed with H and NO_3^- is named 'nitric acid'.
Confirm that 'nitric acid' is the correct name, distinguishing it from 'nitrous acid' which corresponds to HNO_2 (containing nitrite ion NO_2^-).
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