Chemistry · 2025
JEE Main · 3 April 2025, Shift 1 · Q62
The metal ions that have the calculated spin-only magnetic moment value of 4.9 B.M. are: A. Cr^2+ B. Fe^2+ C. Fe^3+ D. Co^2+ E. Mn^3+ Choose the…
The metal ions that have the calculated spin-only magnetic moment value of $\displaystyle 4.9$ B.M. are :
A. $\displaystyle \mathrm{Cr}^{2+}$
B. $\displaystyle \mathrm{Fe}^{2+}$
C. $\displaystyle \mathrm{Fe}^{3+}$
D. $\displaystyle \mathrm{Co}^{2+}$
E. $\displaystyle \mathrm{Mn}^{3+}$
Choose the correct answer from the options given below:
Official answer
From NTA’s final answer key for this paper.
(1)
A, B and E Only
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JEE Main 2025 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.