For the reaction A(g) ⇌ 2B(g), the backward reaction rate constant is higher than the forward reaction rate constant by a factor of 2500, at 1000 K.
[Given: R = 0.0831 L atm mol⁻¹ K⁻¹]
Kₚ for the reaction at 1000 K is
1
83.1
2
2.077 × 10⁵
3
0.033
4
0.021