JEE Main 2024 Chemistry question

Chemistry The d and f-Block Elements JEE Main 2024

Which of the following acts as a strong reducing agent ? (Atomic number: Ce = 58, Eu = 63, Gd = 64, Lu = 71)

(A)Gd³⁺
(B)Eu²⁺Correct
(C)Lu³⁺
(D)Ce⁴⁺

Answer: (B)

Solution

Eu²⁺ is a strong reducing agent, changing to the common +3 state. The others are already in their stable +3 state or (Ce⁴⁺) are oxidising.

Question ID VK-016791