The noble gas that does not occur in the atmosphere is;

Open MARKS Web Download App

Search any question & find its solution

Question: Answered & Verified by Expert

The noble gas that does not occur in the atmosphere is;

ChemistryEnvironmental ChemistryJEE MainJEE Main 2019 (10 Apr Shift 2)

Options:

A $K r$
B $N e$
C $R a$
D $H e$

Solution:

1634 Upvotes Verified Answer

The correct answer is:

R a

In the atmosphere, all the noble gases occur except radon. Out of all noble gases, argon is the major constituent. A decay product of radium is radon.

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