Consider the following statements. (i) A slat bridge is used to eliminate liquid junction potential (ii) The Gibbs free energy change DeltaG is related with electro motive force (E ) as DeltaG = - nFE. (iii) Nernst equation for a single electrode potential is E = E^(@) - (RT)/(nF) ln a_(m^(n^+)) (iv) The efficiency of a hydrogen oxygen fuel cell is 23%. Which of the above statement is l are not correct ?

Consider the following statements. (i) A slat bridge is used to elimi

1.	Consider the following statements. (i) A slat bridge is used to eliminate liquid junction potential (ii) The Gibbs free energy change DeltaG is related with electro motive force (E ) as DeltaG = - nFE. (iii) Nernst equation for a single electrode potential is E = E^(@) - (RT)/(nF) ln a_(m^(n^+)) (iv) The efficiency of a hydrogen oxygen fuel cell is 23%. Which of the above statement is l are not correct ?
Answer» i & ii ii & iii iv only i only ANSWER :C