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JEE Main202227 Jul 2022Morning ShiftChemistryStates of MatterActual

Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R . Assertion A : Activated charcoal adsorbs SO 2 more efficiently than CH 4 . Reason R : Gases with lower critical temperatures are readily adsorbed by activated charcoal. In the light of the above statements, choose the correct answer from the options given below.

Options

  1. ABoth A and R are correct and R is the correct explanation of A .
  2. BBoth A and R are correct but R is NOT the correct explanation of A .
  3. CA is correct but R is not correct.
  4. DA is not correct but R is correct.

Correct answer

C. A is correct but R is not correct.

Step-by-step solution

Lesser the value of critical temperature of gases lesser will be the extent of adsorption. Gas SO 2 CH 4 Critical temperature/K 630 190 The critical temperature depends on the strength of the intermolecular interactions that hold a substance together as a liquid. SO 2 has stronger intermolecular force of attractions than CH 4 , due to the more molar mass and non-zero dipole moment. So, Activated charcoal adsorbs SO 2 more efficiently than CH 4 . is correct statement but Reason statement is not correct.

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