Incorrect statement with reference to Ce (Z=58)

Options

A. Ce in +3 oxidation state is more stable than in +4
B. `Ce^(4)` is a reducing agent.
C. Ce shows common oxidation states of +3 and +4
D. Atomic size of Ce is more than that of Lu.

Answer

B

Explanation

`Ce^(4+)` is a good oxidant
`Ce^(4+)` can revert back to `Ce^(3+)`.