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ChemistryJEE Main 4 Apr 2026, Shift 2·Q12·MCQ·Moderate

d- and f-Block · Oxidation states and unpaired electrons

Consider ∣x∣\lvert x\rvert is the difference in oxidation states of Mn in highest manganese fluoride and highest manganese oxide. The ions with ∣x∣\lvert x\rvert number of unpaired electrons from the following are:
  • (A)ScX3+\ce{Sc^3+}
  • (B)ZnX2+\ce{Zn^2+}
  • (C)VX2+\ce{V^2+}
  • (D)FeX2+\ce{Fe^2+}
  • (E)CoX2+\ce{Co^2+}
Choose the correct answer from the options given below:
  1. (1)A and B Only
  2. (2)C, D and E Only
  3. (3)C and E Only
  4. (4)B and E Only

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