1.

The reaction M `2A(g) + B (g) hArr 3 C (g) + D (g)` is begun with the concentrations of A and B both at intial value of 1.00 M. Whenequilibrium is reached , the concentrations of D is measured and is reached , the concentration of D is measured and found to be `0*25` M . The value for the equilibrium constant for this reaction is given by the expresionA. `[(0*75)^(3)(0*25)] div [(1.00)^(2)(1.00)]`B. `[(0*75)^(3) (0*25)]div [(0*50)^(2) (0*75)]`C. `[(0*75)^(3) (0*25)]div [(0*50)^(2) (0*75)]`D. `[(0*75)^(3) (0*25)] div [(0*75)^(2) (0*25)]`

Answer» Correct Answer - B
` 2 A (g) + B (g) hArr 3 C (g) + D (g)`
`{:(,2A(g),+,B(g),hArr,3 C(g),+,D(g)),("Intial",1.0 M,,1.0 M,,0,,0),("conc.",,,,,,,),("Eqm.",1-(2xx0.25),,1-0.25,,3xx0.25,,0.25),("conc".,0.5 M,,0.75 M,,0.75 M,,):}`
` K=([C]^(3) [D])/([A]^(2) [B])= ((0.75)^(3) (0.25))/((0.5)^(2) (0.75))`


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