Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Open MARKS Web Download App
Search any question & find its solution
Question: Answered & Verified by Expert
Which of the following statements about $\mathrm{Na}_2 \mathrm{O}_2$ is not correct?
Chemistrys Block ElementsJEE MainJEE Main 2014 (11 Apr Online)
Options:
  • A
    It is diamagnetic in nature
  • B
    It is derivative of $\mathrm{H}_2 \mathrm{O}_2$
  • C
    $\mathrm{Na}_2 \mathrm{O}_2$ oxidises $\mathrm{Cr}^{3+}$ to $\mathrm{CrO}_4^{2-}$ in acid medium.
  • D
    It is the super oxide of sodium
Solution:
1509 Upvotes Verified Answer
The correct answer is:
It is the super oxide of sodium
$\mathrm{Na}_2 \mathrm{O}_2$ is peroxide of sodium not super oxide. The formula of sodium superoxide is $\mathrm{NaO}_2$.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play