Rate of diffusion on NH3 is 1.6 times faster than CO2. The correct form of the rate law equilion for this statement will be:

Correct answer: B. rNH3 /rCO2 =1.6/1

  • A. rNH3 /rCO2 =1/1.6
  • B. rNH3 /rCO2 =1.6/1
  • C. rCO2 /rNH3 = 1/1.6
  • D. None of these

Explanation

In this question, we don't have to apply Grahm's law cuz it is far simple What they said, rNH3=1.6(rCO2) ,the questions word in equation Now we can also write it as rNH3/rCO2 = 1.6/1 But wait isn't option C is same just reprocalliting on both sides? Two options right, what to do now? Select in Alphabetic order, so we will select option B Dont say, you don't know, rNH3 means rate of diffusion of NH3 rCO2 means the rate of diffusion of CO2

This question appeared on the ETEA MDCAT 2005 paper, which you can sit online with every answer explained.

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About Kinetic Molecular Theory

Kinetic molecular theory explains gases as rapidly moving particles separated by large distances, with negligible volume and negligible intermolecular attraction in the ideal model. It relates temperature to average kinetic energy and explains gas pressure, Boyle's and Charles's laws, diffusion, effusion and the conditions under which real gases deviate from ideal behavior.

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