AP EAMCET 23 May 2023 Shift 2 Paper

Question : 133 of 160

Marks: +1, -0

At 300K, the total pressure of the following system is 2‌atm, at equilibrium.
A2(g)⇌2A(g)
The atoms of A occupy 20% volume at STP. The Kc of the system is approximately (Given: R=0.082L‌atm‌mol−1‌K−1, STP volume of 1 mole of a gas =22.7L )