Home
Class 11
CHEMISTRY
Assertion: A mixture of He and O(2) is u...

Assertion: A mixture of `He and O_(2)` is used for respiration for deep sea divers.
Reason: `He` is soluble in blood.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
C
Assertion : A mixture of He and `O_2` is used for respiration for deep sea divers. The helium is included as a substitute for some of the nitrogen, to reduce the narcotic effect of the breathing gas at depth. Reason : He gas is not soluble in blood so it can be used as a substitute for N_2` gas.
Promotional Banner

Topper's Solved these Questions

  • STATES OF MATTER

    ERRORLESS|Exercise PAST YEAR QUESTIONS|34 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    ERRORLESS|Exercise ASSERTION & REASON|10 Videos

  • STRUCTURE OF ATOM

    ERRORLESS|Exercise Assertion & Reason|16 Videos

Similar Questions

Explore conceptually related problems

Which mixture is used for respiration by deep sea divers?

Mixture of O_2 and N_2 O is used as ____.

The gaseous mixture used by deep sea divers for respiration is

Assertion : Deep sea divers use He-O_(2) mixture for breathing Reason : Unike N_(2) He is insoluble in blood ever under high pressure

Assertion (A): Helium used in diving apparatus. Reason (R): Helium is very less soluble in blood.

Helium is added to oxygen used by deep sea divers because :