The noble gas that does NOT occur in the atmosphere is:

Question:

The noble gas that does NOT occur in the atmosphere is:

  1. $\mathrm{He}$

  2. $\mathrm{Ra}$

  3. $\mathrm{Ne}$

  4. $\mathrm{Kr}$


Correct Option: , 2

Solution:

In question noble gas asked, which does not exist in the atmosphere and answer is given Ra. Ra is a alkaline earth metal not noble gas it should be Rn. It is printing error in JEE Main paper

Leave a comment

Close

Click here to get exam-ready with eSaral

For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.

Download Now