The energies of activation for forward and reverse reactions for A_ 2 +B_ 2 2 A B are 180…
Chemistry · NEET · NTA Exams — Chemical Kinetics
The energies of activation for forward and reverse reactions for \(A_{2}+B_{2} \rightleftharpoons 2 A B\) are 180 kJ mol-1 and 200 kJ mol-1 respectively. The presence of a catalyst lowers the activation energy of both (forward and reverse) reactions by 100 kJ mol-1. The enthalpy change of the reaction (A2 + B2 → 2 AB) in the presence of catalyst will be (in kJ mol-1):
- 300
- 120
- 280
- 20
Answer
(D) 20
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