4 An electro chemical cell is constructed by immersing a

Last updated: 7/3/2023

4 An electro chemical cell is constructed by immersing a piece of Cu wire in CuSO solution and Zn strip in ZnSO4 solution The emf of cell increases when small amount of concentrated NH3 is added to Given Ecu u 0 34V E 0 76V 10 Zn 2 Zn 1 CUSO Solution 3 Both 1 and 2 2 ZnSO Solution 4 Can t be predicted