JEE Main 2019 Chemistry question

ChemistryChemical KineticsJEE Main 2019

The following results were obtained during kinetic studies of the reaction: 2A + B → Products

| Experiment | [A] (in mol L) | [B] (in mol L) | Initial Rate of reaction (in mol L min) | |---|---|---|---| | I | 0.10 | 0.20 | | | II | 0.10 | 0.25 | | | III | 0.20 | 0.30 | |

The time (in minutes) required to consume half of A is:

Answer: (A)

Solution

Zero order in B, first order in A; k = 0.0693 min; ⇒ min.

Question ID VK-010055