Multiple Choice
What is the correct name for the covalent compound N2O5?
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3. Chemical Reactions
Naming Molecular Compounds
Multiple Choice
Which of the following is the correct chemical formula for the binary compound nitrogen dioxide?
A
NO
B
NO_2
C
N_2O_4
D
N_2O
Verified step by step guidance1
Step 1: Understand that a binary compound consists of two different elements chemically combined. Here, the elements are nitrogen (N) and oxygen (O).
Step 2: Recognize that nitrogen dioxide is a well-known compound where one nitrogen atom is bonded to two oxygen atoms, which is represented by the formula \(NO_2\).
Step 3: Recall that \(NO\) represents nitric oxide, which is a different compound with one nitrogen and one oxygen atom.
Step 4: Note that \(N_2O_4\) is dinitrogen tetroxide, a dimer of nitrogen dioxide, and \(N_2O\) is nitrous oxide, both different compounds from nitrogen dioxide.
Step 5: Conclude that the correct chemical formula for nitrogen dioxide is \(NO_2\) because it accurately reflects the composition of one nitrogen atom bonded to two oxygen atoms.
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