Based on periodic trends, which elements in Problem 40 (in their elemental form) would you expect to be good reducing agents?
Solution 42P :
Reducing agent is an element or compound usually employed in redox reactions, that loses electrons to another chemical species. Because reducing agent loses electrons, it is said to be oxidized.
All s-block elements are good reducing agents.
Out of the given elements, (c) lithium is an S-block element and is an good reducing agent.