The d and f-Block Elements questions
808 published questions with worked solutions.
- The calculated spin only magnetic moment of Cr^ 2+ ion is :
- Number of paramagnetic ions among the following d- and f-block metal ions is _______. Mn²⁺, Cu²⁺, Zn²⁺, Yb²⁺, Sc³⁺, La³⁺, Gd³⁺,...
- The correct statements among the following are, A. Mo(VI) and W(VI) are less stable than Cr(VI). B. Ce⁴⁺ and Tb⁴⁺ are oxidant...
- Consider |x| is the difference in oxidation states of Mn in highest manganese fluoride and highest manganese oxide. The ions with...
- Given below are two statements: Statement I: Presence of large number of unpaired electrons in transition metal atoms results in...
- A paper dipped in a dil. H₂SO₄ solution of 'X' upon treatment with SO₂ gas turns into green. The compound 'X' is:
- The correct statements among the following are. A. Basic vanadium oxide is used in the manufacture of H₂SO₄. B. The spin-only...
- Given below are two statements: Statement I: The number of pairs among [Ti⁴⁺, V²⁺], [V²⁺, Mn²⁺], [Mn²⁺, Fe³⁺] and [V²⁺, Cr²⁺] in...
- Which of the following statements are INCORRECT? A. All the transition metals except scandium form MO oxides which are ionic. B....
- Zr (Z = 40) and Hf (Z = 72) have similar atomic and ionic radii because of :
- Given below are two statements : Statement I : The higher oxidation states are more stable down the group among transition...
- Number of colourless lanthanoid ions among the following is ________. Eu³⁺, Lu³⁺, Nd³⁺, La³⁺, Sm³⁺
- Given below are two statements: Statement (I) : In the Lanthanoids, the formation Ce⁺⁴ is favoured by its noble gas...
- Which of the following acts as a strong reducing agent ? (Atomic number: Ce = 58, Eu = 63, Gd = 64, Lu = 71)
- Which of the following statement are correct about Zn, Cd and Hg? A. They exhibit high enthalpy of atomization as the d-subshell...
- Match List I with List II. List I (Substances): A. Ziegler catalyst B. Blood pigment C. Wilkinson catalyst D. Vitamin B₁₂ List II...
- A and B formed in the following reaction are : CrO₂Cl₂ + 4NaOH → A + 2NaCl + 2H₂O, A + 2HCl + 2H₂O₂ → B + 3H₂O
- The orange colour of K₂Cr₂O₇ and purple colour of KMnO₄ is due to
- Choose the correct statements from the following A. Mn₂O₇ is an oil at room temperature B. V₂O₄ reacts with acid to give VO₂²⁺ C....
- Identify correct statements from below: A. The chromate ion is square planar. B. Dichromates are generally prepared from...
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration