See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

1 2 3 4 5 6 S S S S S S 0        (because the process is cyclic). Also, 2 4 6 S S S 0     (reversible adiabatic process). So, 1 3 5 S S S 0 x      So, x 4 0 4