$(19)$

$(9)$ Given the free energy $)=(-5\mathrm{.}72Jmo{l}^{-1}$ at room temp. blw the two conformers swown. what can you say about this equilibrium system? $($ mint $G=-RTln$ Keq.$)$

$($a$)A$ is more stable than $B$

$($b$)B$ is more stable than $A$

$($c$)$ A and $B$ are equally stable

$($d$)$ relative stability cannot be determined with : "A information given.