Verified Solution • 2025–26 Session
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QJEEM20Cha672: JEE Main 2020 Chemistry - Class 12 JEEM20Cha672 Solution: The lanthanoid that does NOT show +4 oxidation state is :
The lanthanoid that does NOT show +4 oxidation state is :
Multiple Choice Options
- A Tb
- B Dy
- C Ce
- D Eu
Step-by-Step Verified Solution
Europium (Eu)
Atomic No = 63
Electronic configuration = [Xe]4f76s2
Can show only + 2 and + 3 oxidation state.
Atomic No = 63
Electronic configuration = [Xe]4f76s2
Can show only + 2 and + 3 oxidation state.