Coordination Chemistry
285 questions in this chapter, page 5 of 6.
Study loop for Coordination Chemistry
1. Practise the PYQsPrevious-year questions, with answers
Electron Transfer Redox
ABC26IN1057 · In transition metal phosphine (M-PR3) complexes, the back-bonding involves donation of electrons from · JUNE 2015
ABC26IN0109 · The lowest energy-state of an atom with electronic configuration ns1np1 has the term symbol [CSIR-JUNE 2015] · 2015 self-practice
ABC26IN1059 · The lowest energy-state of an atom with electronic configuration ns1np1 has the term symbol · JUNE 2015
ABC26IN0112 · The term symbol for the first excited state of Be with the electronic configuration 1s2 2s1 3s1 is. [CSIR-DEC 2015] · 2015
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 Delta 0 value (in… · DEC 2015
ABC26IN1074 · Possible term symbol(s) of the excited states of Na atom with the electronic configuration [1s22s22p63p1] is/are · DEC 2015 self-practice
ABC26IN0123 · The 2Eg ← 4A2g transition in the electronic spectrum of [Cr(NH3)6]+3 occurs nearly at [CSIR-DEC 2016] · 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 [CSIR-JUNE 2018] 1. Transition is d-d and lambda max has for… · 2020 self-practice
ABC26IN1111 · For electronic spectra of K2 CrO4(A) and K2 MoO4(B) the correct combination is · JUNE 2018 self-practice
ABC26IN1112 · The lowest energy state of a 1s12s1 electronic configuration, according to hund's rule, is · JUNE 2018
ABC26IN0136 · Consider the following statements: · 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 2018 self-practice
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 produce [Co… · DEC 2018 self-practice
ABC26IN1123 · Self-exchange electron transfer is fastest in · JUNE 2019
ABC26IN1126 · Consider the following statements regarding electronic spectra of high spin complexes (A) Ti3+ complexes exhibit one sharp band. (B) Co2+… · JUNE 2019
ABC26IN0151 · In the electronic spectrum of [IrBr6]2-, the number of charge transfer band(s) and their origin are respectively [CSIR-DEC 2019] (1) Two… · 2020 self-practice
ABC26IN1134 · In the electronic spectrum of [IrBr6]2-, the number of charge transfer band(s) and their origin are respectively · JUNE 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
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+ A. sigma * orbitals are only… · 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
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- [CSIR-JUNE 2016] · 2016
Molecular Orbital Ligand Field
ABC26IN1004 · As a ligand Cl- is: · JUNE 2012
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^-. (A) Be(II), Ba(II) (B)… · 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 C2F4, NEt3, CO and C2H4 · 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
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 [CSIR-DEC 2016] · 2016
ABC26IN1094 · The correct statement for a Fischer carbene complex is · DEC 2016
ABC26IN0125 · The highest molecular orbitals for an excited electronic configuration of the oxygen molecule are [1 pi g]1 [3 sigma u]1. A possible… · 2016
ABC26IN1095 · The highest molecular orbitals for an excited electronic configuration of the oxygen molecule are [1 pi g]1[3 sigma u]1. A possible… · DEC 2016
ABC26IN1104 · Consider the following statements with respect to the base hydrolysis of [CoCl (NH3)5] to [Co (NH3)5(OH)]2+ A. One of the ammonia ligands… · DEC 2017
ABC26IN1122 · Consider the two sets of molecules. Set A: [AlF6]3-, [PF6]-, [SF6] and [SiF6]2- Set B: [Ba (H2 O)6]2+, [Ca (H2 O)6]2+, [Mg (H2 O)6]2+, [Sr… · DEC 2018
ABC26IN0146 · Donor mode of NO ligand depends on the metal. Now, consider the following complexes (in gaseous state). (A) [IrCl(CO)(PPh3)2(NO)]^+ (B)… · 2019
ABC26IN1128 · Donor mode of NO ligand depends on the metal. Now, consider the following complexes (in gaseous state). (A) [IrCl(CO)(PPh3)2(NO)]+ (B)… · JUNE 2019