Chemistry · Chemical Kinetics
For the reaction A2 + B2 ↔ 2AB, the activation energies Ea for the forward and backward reactions are 180 and 200 kJ mol−1 respectively. If a catalyst lowers Ea for both reactions by 100 kJ mol−1, which of the following statements is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The enthalpy change for the catalysed reaction is different from that of the uncatalysed reaction.
- 2The enthalpy change for the reaction is +20 kJ mol−1.
- 3The catalyst can cause non-spontaneous reactions to occur.
- 4The catalyst does not alter the Gibbs energy change of the reaction.✓
Correct answer
The catalyst does not alter the Gibbs energy change of the reaction.
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