Verified Solution • 2025–26 Session moderate

QJEEM06Chb686: JEE Main 2006 Chemistry - Class 12 JEEM06Chb686 Solution: In Langmuir’s model of adsorption of a gas on a solid surface

In Langmuir’s model of adsorption of a gas on a solid surface

Multiple Choice Options

  • A the rate of dissociation of adsorbed molecules from the surface does not depend on the surface covered
  • B the adsorption at a single site on the surface may involve multiple molecules at the same time
  • C the mass of gas striking a given area of surface is proportional to the pressure of the gas
  • D the mass of gas striking a given area of surface is independent of the pressure of the gas

Step-by-Step Verified Solution

According to Langmuir's Model of adsorption of gas on a solid surface the mass of gas adsorbed(x) per gram of the adsorbent (m) is directly proportional to the pressure of the gas (p)(p) at constant temperature i.e. </mo></mrow><mrowdata−mjx−texclass="ORD"><mfrac><mi>x</mi><mi>m</mi></mfrac></mrow><mo>∝</mo><mi>p</mi></math></mjx−assistive−mml></mjx−container></mjx−assistive−mml></mjx−container></mjx−assistive−mml></mjx−container></mo></mrow><mrow data-mjx-texclass="ORD"><mfrac><mi>x</mi><mi>m</mi></mfrac></mrow><mo>∝</mo><mi>p</mi></math></mjx-assistive-mml></mjx-container></mjx-assistive-mml></mjx-container></mjx-assistive-mml></mjx-container>

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