NEET 2023 Chemistry Properties of Gases Assertion Reason Question
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R:
Assertion A: Helium is used to dilute oxygen in diving apparatus.
Reasons R: Helium has high solubility in O2.
In the light of the above statements, choose the correct answer from the options given below:
Both A and R are true and R is NOT the correct explanation of A.
A is true but R is false.
A is false but R is true.
Both A and R are true and R is the correct explanation of A.
Correct Answer
Detailed Explanation
Helium is used in diving apparatus because it is less soluble in blood than nitrogen, reducing the risk of decompression sickness. Therefore, R is false.
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