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AIIMS 2016
Exam
AIIMS
Year
2016
Subject
Chemistry
Chapter
States of Matter

AIIMS 2016 · Chemistry · States of Matter

Assertion : Critical temperature of CO_2 is 304 K , it cannot be...

Assertion : Critical temperature of CO2\mathrm{CO}_2 is 304K,itcannotbeliquifiedabove304 \mathrm{ K} , it cannot be liquified above304 K\mathrm{ K}. Reason : At a certain temperature, volume \propto \frac{1}{ pressure \text{ pressure }}

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of assertion.
  2. BIf both assertion and reason are true but reason is not the correct explanation of assertion.
  3. CIf assertion is true but reason is false.
  4. DIf both assertion and reason are false.

Correct answer

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

Step-by-step solution

Critical temperature of a gas may be defined as that temperature above which it cannot be liqufied however high pressure may be applied on the gas. Hence, CO2\mathrm{CO}_2 cannot be liquified above its critical temperature. According to Boyle's law P∝1VorV∝1PP \propto \frac{1}{V} or V \propto \frac{1}{P} (at constant T and n)\left.n\right)
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