A compound A reacts by two independent irreversible pathways to give two products, B and C. At 300 K — Kinetics Chemistry Question
Question
A compound A reacts by two independent irreversible pathways to give two products, B and C. At 300 K, 35% of the product is B, while at 320 K, 70% of the product is B. What may be concluded about the activation energy of the pathway to form B compared to the activation energy of the pathway to form C?
A.
The Ea for the pathway to form B is higher by 28 kJ mol-1.
B.✓ Correct
The Ea for the pathway to form B is higher by 59 kJ mol-1.
C.
The Ea for the pathway to form B is lower by 28 kJ mol-1.
D.
The Ea for the pathway to form B is lower by 59 kJ mol-1.
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