Standard reduction potential (volts) in acid solution is given by the Latimer diagram as shown:
`CiO_(4)^(-)overset(1.19)rarrCIO_(3)^(-)overset(1.21)rarrCIOrarrCl_(2)rarrCl^(-)`
Which of the following cannot disproportionate in acid solution under standard conditions?
A. `CIO_(3)^(-)`
B. `CIO_(2)^(-)`
C. `Cl_(2)`
D. `CIO^(-)`