Multiple Choice
What is the correct name for the compound with the formula CO_2?
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3. Chemical Reactions
Naming Molecular Compounds
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What is the correct name for the compound with the formula CO_2?
A
Dicarbon monoxide
B
Carbon oxide
C
Carbon monoxide
D
Carbon dioxide
Verified step by step guidance1
Identify the elements present in the compound CO_2: carbon (C) and oxygen (O).
Determine the number of atoms of each element in the formula: 1 carbon atom and 2 oxygen atoms.
Recall the common naming conventions for binary molecular compounds, which use prefixes to indicate the number of atoms: 'mono-' for 1, 'di-' for 2, etc.
Since there is one carbon atom and two oxygen atoms, the correct prefix for oxygen is 'di-', and the carbon atom is named without a prefix when it is the first element.
Combine the element names with the appropriate prefixes to form the name: 'carbon' + 'dioxide' = 'carbon dioxide'.
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