Oxidising vs Reducing in Group 14 Ions
❓ Concept Question In Group 14 elements, how do we determine whether ions like A 2 + A^{2+} or B 4 + B^{4+} behave as oxidising or reducing agen…
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Group 14 Ion Nature from Ionisation Enthalpy
❓ Question Group 14 elements A and B have first ionisation enthalpy values: A → 708 kJ mol⁻¹ B → 715 kJ mol⁻¹ These are the lowest values in …
Stability and Redox Nature of Al and Tl Ions
❓ Question Which of the following statements are correct ? (A) Tl³⁺ is a powerful oxidising agent (B) Al³⁺ does not get reduced easily (C) Both A…
Acidic Oxides and Primary Valency of Cobalt
❓ Question ‘ X ’ is the number of acidic oxides among: VO₂, V₂O₃, CrO₃, V₂O₅, Mn₂O₇ . The primary valency of cobalt in the complex [ C o ( H…