265 questions from a source that prints this span of years rather than the year of each question. Each opens with its answer and explanation.
ABC26IN0632 · The normal spinel among the following mixed metal-oxides is · Coordination Compounds – General
ABC26IN0633 · The ground state term for a free ion with 3 d7 configuration is · Coordination Compounds – General
ABC26IN0634 · Given that the expected spin-only magnetic moment for (Et4 N)2 [NiCl4] is 2.83 mu B, the total number of unpaired electrons in this complex… · Coordination Compounds – General
ABC26IN0635 · The complex that is expected to show orbital contribution to the overall magnetic moment is · Coordination Compounds – General
ABC26IN0636 · The total number of isomers possible for the molecule [Co (NH3)4 Cl (NO2)]+is ____. · Coordination Compounds – General
ABC26IN0637 · The complexes [Pt(CN)4]2- and [NiCl4]2-, respectively are · Coordination Compounds – General
ABC26IN0638 · The crystal field stabilization energy (CFSE) in [Mn (H2 O)6]2+ is · Coordination Compounds – General
ABC26IN0639 · The True Statement about [Cu (H2 O)6]2+ is · Coordination Compounds – General
ABC26IN0641 · The red colour of ruby is due to · Coordination Compounds – General
ABC26IN0642 · Nitrosyl ligand binds to d-metal atoms in linear and bent fashion and behaves, respectively, as · Coordination Compounds – General
ABC26IN0643 · The number of unpaired electron(s) in K2 NiF6 is ____. · Coordination Compounds – General
ABC26IN0644 · The correct order of enthalpy of hydration for the transition metal ions is · Coordination Compounds – General
ABC26IN0645 · The correct order of wavelength of absorption (lambda max) of the Cr -complexes is (en = ethylenediamine) · Coordination Compounds – General
ABC26IN0647 · The number of possible isomers for [Pt(py) (NH3) BrCl] is ____ (py is pyridine) · Coordination Compounds – General
ABC26IN0648 · The correct order of Delta 0 (the octahedral crystal field splitting of d orbitals) values for the following anionic metal complexes is · Coordination Compounds – General
ABC26IN0649 · The magnitude of crystal field stabilization energy(CFSE) of octahedral [Ti (H2 O)6]3+ complex is 7680 cm-1. The wavelength at the maximum… · Coordination Compounds – General
ABC26IN0650 · The observed magnetic moments of octahedral Mn3+, Fe3+ and Co3+ complexes are 4.95,6.06 and 0.00 BM, respectively. The correct option for… · Coordination Compounds – General
ABC26IN0652 · The correct trend in the rate of substitution of Cl- by pyridine in the following complexes is (I) (II) (III) (IV) · Coordination Compounds – General
ABC26IN0653 · The total number of all possible isomers of [Co (H2 NCH2 CH2 NH2)2 Cl2]+and [Co (H2 NCH2 CH2 NH2)3]3+ · Coordination Compounds – General
ABC26IN0654 · The d–orbitals involved in the hybridization to form square planar and trigonal bipyramidal geometries are, respectively · Coordination Compounds – General
ABC26IN0657 · Reaction of [Ni(CN)4]2- with metallic potassium in liquid ammonia at -33° C yields complex E. The geometry and magnetic behavior of E… · Coordination Compounds – General
ABC26IN0658 · If the crystal field splitting energy of [Co (NH3)4]2+ is 5900 cm-1, then the magnitude of its crystal field stabilization energy, in kJ… · Coordination Compounds – General
ABC26IN0660 · According to the crystal field theory, d-d transition observed in [Ti (H2 O)6]3+ is · Coordination Compounds – General
ABC26IN0661 · The total number of microstates possible for a d8 electronic configuration is ____. · Coordination Compounds – General
ABC26IN0663 · The total number of optically active isomers of dichloridobis (glycinato)cobaltate(III) ion is ____. · Coordination Compounds – General
ABC26IN0664 · The ground state and the maximum number of spin-allowed electronic transitions possible in a Co2+ tetrahedral complex, respectively, are · Coordination Compounds – General
ABC26IN0665 · The number of unpaired electrons in [Co (H2 O)6]2+ is ____. · Coordination Compounds – General
ABC26IN0666 · Total degeneracy (number of microstates) for a Ti3+ ion in spherical symmetry is ____. · Coordination Compounds – General
ABC26IN0667 · On addition of a solution of AgNO3 to a solution of Na2 S2 O3, it turns black on standing due to the formation of: · D Block – General
ABC26IN0675 · The most probable oxidation states for both Cr and Mo are · D Block – General
ABC26IN0676 · The pair of amphoteric oxides is: · D Block – General
ABC26IN0677 · The transition metal monoxide that shows metallic conductivity is: · D Block – General
ABC26IN0678 · The metal that is extracted by the reduction method is: · D Block – General
ABC26IN0679 · Addition of an aqueous solution of Fe(II) to potassium hexacyanochromate (III) produces a brick-red colured complex, which turns dark green… · D Block – General
ABC26IN0682 · The compound formed by dissolving elemental gold in aqua regia is: · D Block – General
ABC26IN0683 · Number of moles of ions produced by complete dissociation of one mole of Mohr’s salt in water is · D Block – General
ABC26IN0684 · A filter paper moistioned with ammonical sodium nitroprusside solution turns violet on contact with a drop of alkaline Na2 S solution. The… · D Block – General
ABC26IN0685 · Among the following, the ligand that BEST stabilizes low oxidation state of tungsten (W) is · D Block – General
ABC26IN0688 · In the following Latimer diagram, the species the undergoes disproportionation reaction is MnO4- +0.56 MnO42- 0.93 MnO2 +0.15 Mn2 O3 -0.25… · D Block – General
ABC26IN0689 · A yellow precipitate is formed upon addition of aqueous AgNO3 to a solution of · D Block – General
ABC26IN0692 · In a saturated calomel electrode, the saturation is with respect to · D Block – General
ABC26IN0693 · In qualitative inorganic analysis of metal ions, the ion which precipitates as sulfide in the presence of H2 S in warm dilute HCl is · D Block – General
ABC26IN0695 · Titanium tetrachloride (TiCl4) reacts with THF to form an octahedral complex X under inert atmosphere at 25°C. If 5.0 g of TiCl4 is used… · D Block – General
ABC26IN0698 · Which of the following reactions does not give H3 PO4 ? · Main Group Elements – General
ABC26IN0701 · The compound having an S-S single bond is · Main Group Elements – General
ABC26IN0703 · The number of P=O bonds present in the tetrabasic acid H4 P2 O7 is: · Main Group Elements – General
ABC26IN0704 · Calgon used for water softening is Na2 [Na4 (PO3)6] and it is prepared by heating microcosmic salt. The microcosmic salt is: · Main Group Elements – General
ABC26IN0705 · In the structure of B4 O5(OH)42- · Main Group Elements – General
ABC26IN0706 · Hydrolysis of (CH3)2 SiCl2 and CH3 SiCl3 leads to · Silicates Silicones
ABC26IN0708 · Number of three-centre two-electron (3e-2e) bonds present in diborane is: · Main Group Elements – General