OJEE d and f Block Elements — practice questions
14 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice OJEE d and f Block Elements in the app →d-block elements have differentiating electrons in:f-block elements include:Compounds of transition metals are usually:Why does Zn²⁺ have no color (Zn = d¹⁰)?Which transition metal forms unstable highest oxidation state +7?Magnetic moment of complex with 5 unpaired d-electrons (high spin):K₂Cr₂O₇ (potassium dichromate) is a strong:Coordination number of Ag in [Ag(CN)₂]⁻:Oxidation state of Cu in [Cu(NH₃)₄]²⁺:Magnetic moment of [Fe(H₂O)₆]³⁺ (Fe³⁺ is d⁵, weak field H₂O → high spin):Number of unpaired electrons in [Mn(CN)₆]³⁻ (Mn(III), d⁴, strong field CN⁻):Eu²⁺ is more stable than other Ln²⁺ because:Why is Sc³⁺ colorless?Magnetic susceptibility of Fe³⁺ vs Fe²⁺ in high-spin complexes: