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Chemical Kinetics and Nuclear Chemistry question

2025 · 4 Apr · Shift 1 · Q1
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Chemical Kinetics and Nuclear Chemistry question

2025 · 4 Apr · Shift 1 · Q1

JEE MainChemistryChemical Kinetics and Nuclear ChemistryMCQ+4 / −1
For A2+B2⇌2ABEa\mathrm{A}_2+\mathrm{B}_2 \rightleftharpoons 2 \mathrm{AB}\mathrm{E}_{\mathrm{a}}A2​+B2​⇌2ABEa​ for forward and backward reaction are 180 and 200 kJ mol−1200 \mathrm{~kJ} \mathrm{~mol}^{-1}200 kJ mol−1 respectively If catalyst lowers Ea\mathrm{E}_{\mathrm{a}}Ea​ for both reaction by 100 kJ mol−1100 \mathrm{~kJ} \mathrm{~mol}^{-1}100 kJ mol−1. Which of the following statement is correct?
  1. A
    Catalyst does not alter the Gibbs energy change of a reaction.
  2. B
    The enthalpy change for the reaction is +20 kJ mol−1+20 \mathrm{~kJ} \mathrm{~mol}^{-1}+20 kJ mol−1.
  3. C
    Catalyst can cause non-spontaneous reactions to occur.
  4. D
    The enthalpy change for the catalysed reaction is different from that of uncatalysed reaction.
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