[" 25.What will be the emf of the given cell? "],[qquad [" Pt "|H_(2(P))|H_((aq))^(+)|H_(2(P2))|Pt," P "],[[" (1) "(RT)/(F)ln(P_(1))/(P_(2))," (2) "(RT)/(2F)ln(P_(1))/(P_(2))],[" (3) "(RT)/(F)ln(P_(2))/(P_(1))," (4) "(RT)/(2F)ln(P_(2))/(P_(1))]]]