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D and F Block Elements question

2025 · 3 Apr · Shift 1 · Q15
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  5. /2025 · 3 Apr · Shift 1 · Q15

D and F Block Elements question

2025 · 3 Apr · Shift 1 · Q15

JEE MainChemistryD and F Block ElementsMCQ+4 / −1
The metal ions that have the calculated spin-only magnetic moment value of 4.9 B.M. are : A. Cr2+\mathrm{Cr}^{2+}Cr2+ B. Fe2+\mathrm{Fe}^{2+}Fe2+ C. Fe3+\mathrm{Fe}^{3+}Fe3+ D. Co2+\mathrm{Co}^{2+}Co2+ E. Mn3+\mathrm{Mn}^{3+}Mn3+ Choose the correct answer from the options given below:
  1. A
    A, D and E Only
  2. B
    A, B and E Only
  3. C
    A, C and E Only
  4. D
    B and E Only
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