The Structural Formula for a Certain Molecule Includes a Group

question 49

Multiple Choice

The structural formula for a certain molecule includes a group symbolized -O.The dash next to the oxygen atom means that a single bond exists to another atom,such as a carbon.Based on the valence of oxygen and the number of bonds it normally forms,what is the charge on the oxygen atom in this case?

• A)+1
• B)-1
• C)+2
• D)-2

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