Incorrect statement with reference to Ce (Z=58)

Options

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

Answer

A

Explanation

(a) : `Ce^(4+)` is an oxidising agent.