MHT CET 2025 Chemistry question
Identify the lanthanoid that exhibits zero effective magnetic moment in +3 state
Answer: (B)
Solution
Magnetic moment arises from unpaired electrons. () has configuration , with all 14 f electrons paired, so its magnetic moment is zero, option (B). Other lanthanoid(III) ions have partly filled 4f
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account