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JEE Main and Advanced Test Pattern 2024
10 Questions
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JEE Main and Advanced Test Pattern 2024

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Questions and Answers

In the context of the given reaction, what is the standard entropy change (ΔrS°) at 200 K?

  • -20 J/K
  • 9 J/K (correct)
  • -9 J/K
  • 20 J/K

    • What is the standard Gibbs free energy change (ΔrG°) for the given reaction at 200 K?

  • -20 J/mol
  • 20 J/mol
  • -20 kJ/mol
  • 20 kJ/mol (correct)

    • What can be inferred about the spontaneity of the given reaction at 200 K based on the values of ΔrG° and ΔrS°?

  • The reaction is non-spontaneous
  • The reaction is at equilibrium
  • The reaction is spontaneous (correct)
  • Spontaneity cannot be determined from the given information

    • What is true about the entropy change (ΔSsys) for the given reaction at 200 K?

    <p>&gt; 0</p> Signup and view all the answers

    What is the relationship between ΔSsys and ΔSsurr for the given reaction at 200 K?

    <ul> <li>ΔSsurr = ΔSsys</li> </ul> Signup and view all the answers

    What is the value of ΔrH° for the given reaction at 400 K if ΔrCP is 20 JK –1 mol –1?

    <p>20 kJ/mol</p> Signup and view all the answers

    Which of the following statements is incorrect?

    <p>Among all 3d series elements, only Zn has more 3rd ionization energy value than 3rd ionization energy of Cu</p> Signup and view all the answers

    Which actinoid element has no electron in the '6d' subshell?

    <p>Lawrencium (Lr = 103)</p> Signup and view all the answers

    What mixture of monosaccharides is obtained when D-glucose is treated with aqueous NaOH?

    <p>(A)</p> Signup and view all the answers

    If ΔrCP is 20 JK –1 mol –1, what is the value of ΔrH° for the given reaction at 400 K?

    <p>$ΔrCP$ + $ΔnRΔT$</p> Signup and view all the answers

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