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[Solved] The Eu^2+ ion is a strong reducing agent in spite of its ground state electronic configuration (outermost)

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The Eu2+ ion is a strong reducing agent in spite of its ground state electronic configuration (outermost) : [Atomic number of Eu = 63]

(1) 4f76s2

(2) 4f6

(3) 4f7

(4) 4f66s2

1 Answer
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Correct answer: (3) 4f7

Explanation:

Eu → [Xe]4f76s2

Eu2+ → [Xe]4f7

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