Chemistry - Chemical Equilibrium Question with Solution | TestHub

The equilibrium constant of the following isomerisation reaction at$\text{400}\text{K}$and$\text{298}\text{K}$are$\text{2}\text{.07}$and$\text{3}\text{.42}$respectively.

Which of the following is/are correct?
I. The reaction is exothermic
II. The reaction is endothermic
III. At$\text{400}\text{K}$$\text{50\%}$of cis-butene and$\text{50\%}$of trans-butene are present of equilibrium
IV. Both at$\text{298}\text{K}$and$400\text{K}$,${\mathrm{k}}_1\mathrm{ }={\mathrm{k}}_{–1}$