Textbook Question
Assume that you encounter the following sentences in your reading. What is the chemical formula for each substance mentioned? (c) Hydrogen cyanide is a very poisonous gas.
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3. Chemical Reactions
Naming Acids
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The correct name for HNO3 is ________.
A
Nitrous acid
B
Nitrate acid
C
Hydronitric acid
D
Nitric acid
Verified step by step guidance1
Identify the chemical formula given: HNO3.
Recognize that HNO3 is an oxyacid, which contains hydrogen, oxygen, and another element (in this case, nitrogen).
Determine the polyatomic ion present in HNO3. The NO3 part is the nitrate ion (NO3^-).
Recall the naming rule for oxyacids: If the polyatomic ion ends in '-ate', the acid name will end in '-ic'. Therefore, nitrate (NO3^-) becomes nitric acid.
Combine the name of the polyatomic ion with the appropriate suffix to name the acid: HNO3 is named nitric acid.
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