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NEET UG CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

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Analyzing +4 | -1
Statement I: Fe+2\mathrm{Fe}^{+2} is more stable than Fe+3\mathrm{Fe}^{+3} ion

Statement II: Fe+3\mathrm{Fe}^{+3} ion contain half-filled 3d3 \mathrm{d} subshell
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Correct option: D
Statement I if false but statement II is correct
Option D is correct because Statement I is false, and Statement II is correct. Fe3+{Fe}^{3+} is more stable than Fe2+{Fe}^{2+} due to the half-filled d-orbital configuration.

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