Chemistry

Problem

The forward and reverse rates (mol L⁻¹ s⁻¹) for the reaction X ⇌ Y were recorded every 2 s and are shown below. Time (s): 0 2 4 6 8 Forward rate: 1.2 0.8 0.5 0.3 0.2 Reverse rate: 0.0 0.3 0.5 0.3 0.2 At which time was dynamic equilibrium first established? a)

6\ \text{s}

4\ \text{s}

2\ \text{s}

8\ \text{s}

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