The d- and f-Block Elements

JEE Advanced · Chemistry · 8 past questions

1. Q1 2025 Paper 1

   The pair(s) of diamagnetic ions is(are)

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2. Q2 2020 Paper 2

   An acidified solution of potassium chromate was layered with an equal volume of amyl alcohol. When it was…

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3. Q3 2019 Paper 1

   Fusion of MnO$_2$ with KOH in presence of O$_2$ produces a salt W. Alkaline solution of W upon electrolytic…

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4. Q4 2019 Paper 2

   Consider the following reactions (unbalanced)…

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5. Q5 2015 Paper 1

   The correct statement(s) about $\mathrm{Cr^{2+}}$ and $\mathrm{Mn^{3+}}$ is(are)…

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6. Q6 2011 Paper 2

   Oxidation states of the metal in the minerals haematite and magnetite, respectively, are

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7. Q7 2009 Paper 2

   The oxidation number of Mn in the product of alkaline oxidative fusion of $\mathrm{MnO_2}$ is

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8. Q8 2007 Paper 2

   While $Fe^{3+}$ is stable, $Mn^{3+}$ is not stable in acid solution because

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