Question

X, Y & Z are three metallic atoms in successive order belonging to the same group such that atomic radii of ‘X’ is the smallest. Which of the three atoms is the best reducing agent?

Options

• X

• Y

• Z

• All three have the same reducing power.

Answer 1

Z

Explanation:

Atomic size and metallic nature increase as you move down the group. The decreasing nature increases as the metallic character increases. Given that X has the smallest atomic radius, Z has the biggest atomic radius and is the most metallic of the three elements X, Y, and Z. Thus, Z is the most effective reducing agent.