Answer: Na2O2Peroxides contain oxygen atoms with a -1 oxidation number. In the context of this question, Na2O2 is the only peroxide, and thus the only compound with an oxygen atom with a -1 oxidation number.

PracticeQuiz content is free on an ad-supported model.

Unfortunately, we can't support ad blocker usage because of the impact on our servers. If you'd like to continue, please disable your ad blocker and reload page.

Reload page

SAT Chemistry

Category - Multiple Choice

Start a Study Session Sign up for Question of the Day

Which of the following compounds contains an oxygen atom with a -1 oxidation number?

H₂O
CO₂
Na₂O₂
Al₂O₃
MgO

Explanation

Answer: Na₂O₂

Peroxides contain oxygen atoms with a -1 oxidation number. In the context of this question, Na₂O₂ is the only peroxide, and thus the only compound with an oxygen atom with a -1 oxidation number.

Previous Next

Was this helpful? Upvote!

Start a Study Session Sign up for Question of the Day

Most popular on PracticeQuiz

219 votes

You are attempting to gather information from a patient, but they are having a hard time trying to communicate since they were hit in the throat by a baseball bat. What is the function of the vocal cords? NREMT Advanced EMT
209 votes

An 8-year-old boy named Albert has a 10-year-old brother named Benny. Benny joins the service at 20 leaving Albert feeling bitter that he no longer has a brother to look up to. After 7 years, Albert is finally ready to make up with Benny who has been out of the service for 5 years. How old is Albert now? GED Exam Prep: Math
186 votes

Using motivation from ‘within’ is called ______________. CPCE Exam Prep
177 votes

The lymphatic system contains four organs: Medical Coding Exam Prep
127 votes

“A set of specialized organizational capabilities for providing value to customers in the form of services” is the official definition of: IT Service Management Foundation Practice Test

SAT Chemistry

Top questions

Related questions

Most popular on PracticeQuiz

Ad-Blocker not supported

SAT Chemistry

Top questions

Related questions

Most popular on PracticeQuiz