Chemistry - Chemical Equilibrium Question with Solution | TestHub

The initial concentration of$\text{X}$and$\text{Y}$were$\text{2}$and$\text{4}\text{mole/L}$respectively. For the following equilibrium$\mathrm{X}+2\mathrm{Y}\rightleftharpoons \mathrm{ }\mathrm{Z}$which of the following relationship among equilibrium concentrations of$\text{X,}\text{Y}$and$\text{Z}$is not feasible?