At 25$°$C, for the process H2O(l)$⇌$H2O(g);

$∆\mathrm{G}°$ is 8.6 kJ. The vapour pressure of water at this temperature is nearly:-

(1) 24 torr

(2) 285 torr

(3) 32.17 torr

(4) 100 torr