ABC26IN1063 · The term symbol for the first excited state of Be with the electronic configuration 1s22s13s1 is. · DEC 2015
ABC26IN1071 · Aqueous Cr2+ effects one electron reduction of [Co (NH3 )5 Cl ]2+ giving compound Y. Compound Y undergoes rapid hydrolysis. Y is, · DEC 2015
ABC26IN1073 · Three electronic transitions at 14900, 22700 and 34400\ cm-1 are observed in the absorption spectrum of [CrF6 ]3-, The 0 value (in cm-1)… · DEC 2015
ABC26IN1074 · Possible term symbol(s) of the excited states of Na atom with the electronic configuration [1s22s22p63p1] is/are · DEC 2015self-practice
ABC26IN0123 · The 2Eg 4A2g transition in the electronic spectrum of [Cr(NH3)6]3+ occurs nearly at · 2016
ABC26IN1088 · The 2Eg 4A2g transition in the electronic spectrum of [Cr (NH3 )6 ]3+ occurs nearly at · DEC 2016
ABC26IN1096 · CdS, HgS and BiI3 are coloured due to · JUNE 2017
ABC26IN0134 · For electronic spectra of K2CrO4 (A) and K2MoO4 (B) the correct combination is · 2020self-practice
ABC26IN1111 · For electronic spectra of K2 CrO4(A) and K2 MoO4(B) the correct combination is · JUNE 2018self-practice
ABC26IN0135 · The lowest energy state of a 1s1\,2s1 electronic configuration, according to hund's rule, is · 2018
ABC26IN1112 · The lowest energy state of a 1s12s1 electronic configuration, according to hund's rule, is · JUNE 2018
ABC26IN0136 · Consider the following statements: (A) Cr2+ is easier to oxidize than V2+ in the gas phase (B) Cr2+ (aq) is a more powerful reducing agent… · 2020
ABC26IN1114 · Consider the statements A - D regarding equation I-III: (I) [Fe(CN)6 ]3-+ [Co(CN)5 ]3- [Fe(CN)6 ]4-+ [Co(CN)5 ]2- (II) [Co(bipy)3 ]2++… · JUNE 2018self-practice
ABC26IN0137 · The allowed electronic transition in fluorine molecule is · 2018
ABC26IN1115 · The allowed electronic transition in fluorine molecule is · JUNE 2018
ABC26IN1117 · The intermediate [Fe(SCN) (H2 O )5 ]2+ is detected in the reaction of [Co(NCS) (NH3 )5 ]2+ with [Fe (H2 O )6 ]2+ in aqueous medium to… · DEC 2018self-practice
ABC26IN0141 · Self-exchange electron transfer is fastest in · 2020
ABC26IN1123 · Self-exchange electron transfer is fastest in · JUNE 2019
ABC26IN0144 · Consider the following statements regarding electronic spectra of high spin complexes (A) Ti3+ complexes exhibit one sharp band. (B) Co2+… · 2019
ABC26IN1126 · Consider the following statements regarding electronic spectra of high spin complexes arrayl (A) Ti3+ complexes exhibit one sharp band. \\… · JUNE 2019
ABC26IN0151 · In the electronic spectrum of [IrBr6]2-, the number of charge transfer band(s) and their origin are respectively · 2020self-practice
ABC26IN1134 · In the electronic spectrum of [IrBr6 ]2-, the number of charge transfer band(s) and their origin are respectively · JUNE 2019
ABC26IN0152 · For the given reaction [*Co(L)n]2+ + [Co(L)n]3+ [*Co(L)n]3+ + [Co(L)n]2+ the correct statement with respect to the rate of electron… · 2019
ABC26IN1135 · For the given reaction [ * Co(L)n ]2++ [Co(L)n ]3+ [ * Co(L)n ]3++ [Co(L)n ]2+ the correct statement with respect to the rate of electron… · JUNE 2019
ABC26IN1138 · The pair of compounds in which both members show LMCT band in their electronic spectra is · JUNE 2019
ABC26IN1139 · For the d3 electron configuration, the ground state term symbol is · JUNE 2019
ABC26IN0155 · The number of expected electronic transitions in [Cr(en)3]3+ and trans-[Cr(en)2F]+ at 4 K is, respectively (en = ethylenediamine) · 2020
ABC26IN1141 · The number of expected electronic transitions in [Cr(en)3 ]3+ and trans- [Cr(en)2 F ]+ at 4 K is, respectively (en = ethylenediamine) · JUNE 2019
ABC26IN1149 · Consider the following statements for the self-exchange electron transfer reaction in [Cr (H2 O )6 ]2+/3+ arrayl A. sigma * orbitals are… · JUNE 2021
Jahn Teller
ABC26IN1061 · Among the complexes, (A) K4 [Cr(CN)6 ], K4 [Fe(CN)6 ], (C) K3 [Co(CN)6 ], (D) K4 [Mn(CN)6 ], and Jahn-Teller distortion is expected in · JUNE 2015
ABC26IN1100 · Consider the following statements for octahedral complexes. (a) [CrF6 ]3- (b) [Cr(ox)3 ]3- and (c) [Cr(en)3 ]3+ A. their d d transitions… · JUNE 2017
ABC26IN1119 · The correct set of electronic configurations for metal ions in octahedral coordination geometry for strong Jahn-Teller distortion is · DEC 2018
Magnetism
ABC26IN0121 · Paramagnetic susceptibility of the order of 10-6\,cm3\,mol-1 observed for KMnO4 is due to- · 2016
ABC26IN1083 · Paramagnetic susceptibility of the order of 10-6\ cm3mol-1 observed for KMnO4 is due to- · JUNE 2016self-practice
Molecular Orbital Ligand Field
ABC26IN0088 · The correct order of d-orbital splitting in a trigonal bipyramidal geometry is: · 2011
ABC26IN1001 · The correct order of d-orbital splitting in a trigonal bipyramidal geometry is: · DEC 2011
ABC26IN1007 · The number of spin-allowed ligand field transitions for octahedral Ni (II) complexes with 3A2g, ground state is: · JUNE 2012
ABC26IN1018 · The platinum complex of NH3 and Cl- ligands is an anti-tumour agent. The correct isomeric formula of the complex and its precursor are: · DEC 2012
ABC26IN0095 · Which of the pairs will generally result in tetrahedral coordination complexes, when ligands are Cl- or OH-. arrayl (A) Be(II), Ba(II) \\… · 2013
ABC26IN1024 · Which of the pairs will generally result in tetrahedral coordination complexes, when ligands are Cl- or OH-. (A) Be(II), Ba(II) (B) Ba(II)… · JUNE 2013
ABC26IN1027 · Identify the order representing increasing pi -acidity of the following ligands C2 F4, NEt3, CO and C2 H4 · JUNE 2013
ABC26IN1037 · In bis(dimethylglyoximato)nickel(II), the number of Ni-N, Ni-O and intramolecular hydrogen bond(s)respectively are · JUNE 2014
ABC26IN1039 · If L is a neutral mono-dentate ligand, the species, [AgL4 ]2+, [AgL6 ]2+ and [AgL4 ]3+ respectively are · JUNE 2014
ABC26IN1056 · The spin-only and spin plus orbital magnetic moments of [CrCl6 ]3- are · DEC 2014
ABC26IN1072 · Choose the correct statements about Tanabe-Sugano diagrams · DEC 2015self-practice
ABC26IN1082 · The complex that shows orbital contribution to the magnetic moment, is · JUNE 2016
ABC26IN1085 · The HOMO (highest occupied molecular orbital) to LUMO (lowest unoccupied molecular orbital) electronic transition responsible for the… · DEC 2016
ABC26IN0124 · The correct statement for a Fischer carbene complex is · 2016
ABC26IN1094 · The correct statement for a Fischer carbene complex is · DEC 2016