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The following results were obtained during kinetic studies of the reaction : 2A + B → Products Experiment [A] (in mol L –1 ) [B] (in mol L –1 ) Initial Rate of reaction (in mol L –1 min –1 ) I 0.10 0.20 6.93 × 10 –3 II 0.10 0.25 6.93 × 10 –3 III 0.20 0.30 1.386 × 10 –2 The time (in minutes) required to consume half of A is -

1. 5
2. 1
3. 100
4. 10

Correct answer: 5

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