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D and F Block Elements question

2021 · 31 Aug · Shift 2 · Q2
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D and F Block Elements question

2021 · 31 Aug · Shift 2 · Q2

JEE MainChemistryD and F Block ElementsMCQ+4 / −1
The Eu2+Eu^{2+}Eu2+ ion is a strong reducing agent in spite of its ground state electronic configuration (outermost) : [Atomic number of Eu = 63]
  1. A
    4f76s2
  2. B
    4f6
  3. C
    4f7
  4. D
    4f66s2
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