See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

CH4 + 2O2  CO2 + 2H2O at 1270C the no of gaseous mole will remain same because H2O will be in vapour form. These for the pressure change will be due to change in temperature 1 2 1 2 P P T T  1 300 400  P K K 400 4