For the following electrochemical cell at 298k, pt(s)|h2(g,1bar)|h (aq,1m)||m4 (aq),m2 (aq)|pt(s)ecell=0.092v when [m2 (aq)][m4 (aq)]= :e0m4 /m2 =0.151v;2.303rtf=0.059vthe value of x is :
A) 2
B) -1
C) 1
D) -2