Verified Solution • 2025–26 Session moderate

QJEEM08Chc0e9: JEE Main 2008 Chemistry - Class 11 JEEM08Chc0e9 Solution: For the following three reactions a, b and c, equilibrium…

For the following three reactions a, b and c, equilibrium constants are given:
a. CO (g) + H2O (g) ⇋\leftrightharpoons CO2(g) + H2 (g) ; K1
b. CH4 (g) + H2O (g) ⇋\leftrightharpoons CO(g) + 3H2 (g) ; K2
c. CH4 (g) + 2H2O (g) ⇋\leftrightharpoons CO2(g) + 4H2 (g) ; K3

Multiple Choice Options

  • A K1K2=K3{K_1}\sqrt {{K_2}} = {K_3}
  • B K2K3 = K1
  • C K3 = K1K2
  • D K3. K23K_2^3 = K12K_1^2

Step-by-Step Verified Solution

Reaction (c)(c) can be obtained by adding reactions (a)(a) and (b)(b) therefore K3=K1.K2{K_3} = {K_1}.{K_2}

Hence (c)(c) is the correct answer.

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