JEE Main 2025 Chemistry question

ChemistryEquilibriumJEE Main 2025

A vessel at 1000 K contains CO2 with a pressure of 0.5 atm. Some of CO2 is converted into CO on addition of graphite. If total pressure at equilibrium is 0.8 atm, then KP is :

Answer: (2)

Solution

CO2 + C ⇌ 2CO. x=0.3, Ptotal=0.5+x=0.8. Kp = (0.6)²/0.2 = 1.8.

Question ID VK-001729