Which of the following statements is(are) correct?

Options

A. The hydrides of group 15 electrons act as oxidizing agent.
B. The hydrides of group 15 elements acts as reducing agent.
C. The oxidizing power increases in going from `NH_(3)` to `BiH_(3)`
D. The reducing power increases in going from `NH_(3)` to `BiH_(3)`

Answer

B, D