For the reaction, CH4( g)+2O2( g)→CO2( g)+2H2O(I)ΔHr=−170.8 kJ mol−1 From the above reaction, Kc=[CH4][O2]2[CO2] Kp=PCH4×PO22PCO2 So, Kp=[CH4][O2]2[CO2] is incorrect.
For the reaction: CH_4(g)+2 O_2(g) ⇌ CO_2(g)+2 H_2 O(l) Δ H_r=-170.8 ~kJ ~mol^-1. Which of the following statements is not true?
NEET UG 2006 — Chemistry Physical Chemistry
2006mcqmedium
For the reaction: CH4(g)+2O2(g)⇌CO2(g)+2H2O(l) ΔHr=−170.8 kJ mol−1. Which of the following statements is not true?
Official previous-year question
Held on 30 Apr 2006 · Verified 9 Jul 2026.
Options
- A
The reaction is exothermic
- B
At equilibrium, the concentrations of CO2(g) and H2O(h) are not equal
- C
The equilibrium constant for the reaction is given by Kp=[CH4][O2][CO2]
- D
Addition of CH4(g) or O2(g) at equilibrium will cause a shift to the right
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