ABC26IN0125 · The highest molecular orbitals for an excited electronic configuration of the oxygen molecule are [1]1[3]1. A possible molecular term… · 2016
ABC26IN1095 · The highest molecular orbitals for an excited electronic configuration of the oxygen molecule are [1]1[3]1. A possible molecular term… · DEC 2016
ABC26IN1098 · Consider the following sulfur donor atom bearing bidentate ligand where X and name of ligands are given in following columns Correct match… · JUNE 2017
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… · 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… · 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). arrayl (A) [IrCl(CO)(PPh3)2(NO)]+… · JUNE 2019
ABC26IN1147 · Consider an octahedral complex Ma2b2cd, where a, b, c, and d are monodentate ligands. The number of enantiomeric pairs for the complex is · JUNE 2021
Reaction Mechanisms Substitution
ABC26IN1000 · A true statement about base hydrolysis of [Co (NH3 )5 Cl ]2+ is: · DEC 2011
ABC26IN1021 · The reaction of Pt (NH3 )42- with two equivalents of NH3 produces · JUNE 2013
ABC26IN1043 · Reaction of [Ru (NH3 )5(isonicotinamide) ]3+ with [Cr (H2 O )6 ]3+ occurs by inner sphere mechanism and rate of the reaction is determined… · JUNE 2014
ABC26IN0103 · Reaction of nitrosyl tetrafluoroborate to Vaska's complex gives complex A with angle M-N-O=124 . The complex A and its N-O stretching… · 2014
ABC26IN1047 · Reaction of nitrosyltetrafluoroborate to Vaska's complex gives complex A with angle M-NO=124 . The complex A and its N-O stretching… · JUNE 2014
ABC26IN1049 · In the following reaction [PtCl4 ]2-+NO2-, is A+NH3 B, compound B is · DEC 2014
ABC26IN0106 · Base hydrolysis of [CoCl (NH3 )5 ]2+ is an overall second order reaction, whereas that of [Co(CN)]3- is of first order. The rates depend in… · 2014
ABC26IN1052 · Base hydrolysis of [CoCl (NH3 )5 ]2+ is an overall second order reaction, whereas that of [Co(CN)]3- is of first order. The rates depend in… · DEC 2014
ABC26IN1070 · The correct statement about the substitution reaction of [Co(CN)5Cl ]3- with OH- to give [Co(CN)5(OH) ]3- is, · DEC 2015
ABC26IN1092 · For OH- catalysed SN1 conjugate base mechanism of [Co (NH3 )5 Cl ]2+, the species obtained in the first step of the reaction is/are · DEC 2016
ABC26IN1093 · In the following redox reaction with an equilibrium constant K=2.0 108 [Ru (NH3 )6 ]2++ [Fe (H2 O6 ) ]3+ [Ru (NH3 )6 ]3++ [Fe (H2 O )6 ]2+… · DEC 2016
ABC26IN1129 · An aqueous solution of metal ion (A) gives a blood-red colored product (B) upon reaction with KSCN. Upon dropwise addition of NaF, the… · JUNE 2019
ABC26IN0148 · The correct statement about base hydrolysis of [Co(py)4Cl2]+ (py-pyridine) is · 2019
ABC26IN1131 · The correct statement about base hydrolysis of [Co(py)4 Cl2 ]+(py-pyridine) is · JUNE 2019
ABC26IN0154 · The products A and B for the given reaction [Co(NH3)5Cl]2+ + [Cr(OH2)6]2+ + 5H3O+ A + B are respectively, · 2020
ABC26IN1140 · The products A and B for the given reaction [Co (NH3 )5 Cl ]2++ [Cr (OH2 )6 ]2++5 H3 O+ A+B are respectively, · JUNE 2019
ABC26IN1143 · In the following sequence of reactions the correct P, Q and R are respectively · JUNE 2019
ABC26IN1146 · Which of the following statements regarding dissociative substitution in an octahedral transition metal complex, arrayl (1)\ High steric… · JUNE 2021
ABC26IN0142 · Consider the following reaction: Hg2+(aq) + X-(aq) = [HgX]+(aq) The stability constants for [HgX]+(aq) for X = F, Cl and Br follow the order · 2018
ABC26IN1124 · Consider the following reaction: Hg2+(aq)+X-(aq)=[HgX]+(aq) The stability constants for [HgX]+(aq) for X=F, Cl and Br follow the order · JUNE 2019
Term Symbols Spectra
ABC26IN0081 · The possible J values for 3 D term symbol are · 2011
ABC26IN0991 · The possible J values for 3D term symbol are · JUNE 2011
ABC26IN0084 · The term symbol for the ground state of nitrogen atoms is · 2011
ABC26IN0995 · The term symbol for the ground state of nitrogen atoms is · DEC 2011
ABC26IN1023 · The Mulliken symbols for the spectroscopic states arising from the free-ion term F are · JUNE 2013
ABC26IN1042 · The term symbol that is NOT allowed for the np2 configuration is · JUNE 2014
ABC26IN1053 · The configuration [Ne]\,2p13p1 has a 3D term. Its levels are · DEC 2014
ABC26IN1054 · The spin-only magnetic moment and the spectroscopic ground state term symbol of manganese center in [MnF6 ]3- ion respectively, are · DEC 2014
ABC26IN0117 · The number of microstates present in 3 F-term is · 2016
ABC26IN1077 · The number of microstates present in 3F-term is · JUNE 2016
ABC26IN0118 · The lowest energy term for the d6 configuration is · 2016
ABC26IN1079 · The lowest energy term for the d6configuration is · JUNE 2016
ABC26IN1091 · The spectroscopic ground state term symbols for the octahedral aqua complexes of Mn(II), Cr(III) and Cu(II), respectively, are · DEC 2016
ABC26IN0132 · The total degeneracy of the ground term of Co11 (high spin) in octahedral geometry is · 2017
ABC26IN1109 · The total degeneracy of the ground term of CoII (high spin) in octahedral geometry is · JUNE 2018
ABC26IN0140 · The isomers A and B undergo base hydrolysis by forming a trigonal bipyramidal intermediate. The correct statement is (A) (B) · 2018
ABC26IN1121 · The isomers A and B undergo base hydrolysis by forming a trigonal bipyramidal Intermediate. The correct statement is (A) · DEC 2018
ABC26IN0156 · The term symbol for the ground state of dinitrogen cation radical (N2)+ is · 2020
ABC26IN1144 · The term symbol for the ground state of dinitrogen cation radical (N2 )+is · JUNE 2019
ABC26IN1150 · The number of CO bands for isomers from sets (i) and (ii) in their IR spectra Set (i): Trigonal bipyramidal isomers, axial- Fe(CO)4 L(A)… · JUNE 2021
ABC26IN1151 · The absorption spectrum of [Cr (NH3 )6 ]3+ in water shows two bands around 475 and 365 nm . The ground term and the spin-allowed… · JUNE 2021