JEE Advanced d- and f-Block Elements — practice questions
34 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice JEE Advanced d- and f-Block Elements in the app →Transition metal complexes are typically coloured because of:Among $\mathrm{Sc^{3+}}$, $\mathrm{Ti^{4+}}$, $\mathrm{V^{2+}}$ and $\mathrm{Zn^{2+}}$, which is **coloured** 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:Per NCERT §3.2 + Table 3.3, Mendeleev predicted the existence of 'Eka-aluminium' and 'Eka-silicon' — which latPer NCERT §3.6.5, which elements bordering the metal/non-metal staircase are called METALLOIDS (semi-metals)?Per NCERT §3.6, which exceptional element is positioned in the s-block (1s¹) but is sometimes placed with haloPer NCERT Table 3.7, which element has the MOST NEGATIVE electron gain enthalpy and why is it NOT fluorine?The modern periodic law arranges elements in order of:Ethylenediamine (en) is best described as a:In an octahedral complex like $[Co(NH_3)_6]^{3+}$, the coordination number of cobalt is:The complex $[Pt(NH_3)_2Cl_2]$ (square planar) shows:In crystal field theory, the d-orbitals of an octahedral metal complex split into:In Werner's theory of coordination compounds, the PRIMARY valency corresponds to:The coordination number 6 most commonly gives which geometry?The IUPAC name of K3[Fe(CN)6] is:The drug CISPLATIN has the formula [Pt(NH3)2Cl2]. Its anti-cancer activity comes from the:In Valence Bond Theory, an octahedral LOW-SPIN complex like [Co(NH3)6]³⁺ uses which hybridisation?In Crystal Field Theory, the 5 d-orbitals in an OCTAHEDRAL field split into:In the spectrochemical series, which ligand is the STRONGEST field?The unusual stability of EDTA-metal complexes is mainly due to the:The biological molecule HAEMOGLOBIN contains which metal at its centre?