For metal electrodes show the variation in their reduction potential as shown.

Which statement is true ?

Options

A. B can reduct `A^(+n) (1 M)`
B. E can replace `H^(+)` from acids
C. A-D' cell has maximum `E^(@)` among the given
D. C' can reduced the ions of A,B and D

Answer

B, D

Explanation

`E^(+) // E , C^(+) // C , D^(+)// D , A^(+) //A , B^(+)// B`