The d- and f-Block Elements

JEE Advanced · Chemistry · 8 past questions

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1. Q6 2011 Paper 2

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

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2. Q8 2007 Paper 2

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

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