Multiple Choice
What is the correct name for the compound N_2O_3?
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3. Chemical Reactions
Naming Molecular Compounds
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Which of the following is the correct chemical formula for chlorine dioxide?
A
Cl2O
B
ClO2
C
ClO
D
Cl2O2
Verified step by step guidance1
Step 1: Understand the problem is asking for the correct chemical formula of chlorine dioxide, which is a compound made of chlorine and oxygen atoms.
Step 2: Recall that the name 'chlorine dioxide' indicates the presence of one chlorine atom and two oxygen atoms, as 'dioxide' means two oxygen atoms.
Step 3: Write the chemical formula by placing the symbol for chlorine (Cl) followed by the symbol for oxygen (O) with the subscript 2 to indicate two oxygen atoms, resulting in ClO\_2.
Step 4: Compare the given options to the formula derived: Cl2O, ClO2, ClO, and Cl2O2, and identify which matches the correct formula for chlorine dioxide.
Step 5: Conclude that the correct formula for chlorine dioxide is ClO\_2, as it correctly represents one chlorine atom and two oxygen atoms.
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