The potential diagram for manganese at [$$H^+$$] = 1 is given as (values are in V)

x, y and z are

A

x = +2.46, y = +2.82, z = +1.32

B

x = +1.23, y = +1.69, z = +1.51

C

x = +1.23, y = +2.07, z = +1.32

D

x = +1.23, y = +1.38, z = +1.51