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Transition Metals question

2025 · Q5
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Transition Metals question

2025 · Q5

IIT JAMChemistryTransition MetalsMCQ+1 / −0.33
The correct trend of acidity of the ions is
  1. A
    [Fe(H2O)6]2+>[Fe(H2O)6]3+>[Al(H2O)6]3+[\text{Fe}(\text{H}_2\text{O})_6]^{2+} \gt [\text{Fe}(\text{H}_2\text{O})_6]^{3+} \gt [\text{Al}(\text{H}_2\text{O})_6]^{3+}[Fe(H2​O)6​]2+>[Fe(H2​O)6​]3+>[Al(H2​O)6​]3+
  2. B
    [Al(H2O)6]3+>[Fe(H2O)6]3+>[Fe(H2O)6]2+[\text{Al}(\text{H}_2\text{O})_6]^{3+} \gt [\text{Fe}(\text{H}_2\text{O})_6]^{3+} \gt [\text{Fe}(\text{H}_2\text{O})_6]^{2+}[Al(H2​O)6​]3+>[Fe(H2​O)6​]3+>[Fe(H2​O)6​]2+
  3. C
    [Fe(H2O)6]2+>[Al(H2O)6]3+>[Fe(H2O)6]3+[\text{Fe}(\text{H}_2\text{O})_6]^{2+} \gt [\text{Al}(\text{H}_2\text{O})_6]^{3+} \gt [\text{Fe}(\text{H}_2\text{O})_6]^{3+}[Fe(H2​O)6​]2+>[Al(H2​O)6​]3+>[Fe(H2​O)6​]3+
  4. D
    [Fe(H2O)6]3+>[Fe(H2O)6]2+>[Al(H2O)6]3+[\text{Fe}(\text{H}_2\text{O})_6]^{3+} \gt [\text{Fe}(\text{H}_2\text{O})_6]^{2+} \gt [\text{Al}(\text{H}_2\text{O})_6]^{3+}[Fe(H2​O)6​]3+>[Fe(H2​O)6​]2+>[Al(H2​O)6​]3+
View written solutionFree

Correct answer: B

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