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QJEEM20Ch635f: JEE Main 2020 Chemistry - Class 11 JEEM20Ch635f Solution: The electronic configurations of bivalent europium and…
The electronic configurations of bivalent europium and trivalent cerium are
(atomic number : Xe = 54, Ce = 58, Eu = 63)
(atomic number : Xe = 54, Ce = 58, Eu = 63)
Multiple Choice Options
- A [Xe] 4f7 6s2 and [Xe] 4f2 6s2
- B [Xe] 4f2 and [Xe] 4f7
- C [Xe] 4f4 and [Xe] 4f9
- D [Xe] 4f7 and [Xe] 4f1
Step-by-Step Verified Solution
Eu2+ : [xe] 4f7
Ce3+ : [xe] 4f1
Ce3+ : [xe] 4f1