Inorganic Chemistry

Inorganic Spectroscopy

41 questions in this chapter.

Study loop for Inorganic Spectroscopy

1. Practise the PYQsPrevious-year questions, with answers

Electronic Spectra Tanabe Sugano

ABC26IN1172 · The correct order of the isomeric shift in Mössbauer spectra (57Fe source) of iron compounds is · JUNE 2014
ABC26IN1179 · The numbers of lines shown by the BH3 part of the molecule Ph3 P. 11 BH3 in the 1 H and 11 B NMR spectra are, respectively [I (11 B)=3 / 2… · JUNE 2016
ABC26IN0164 · The expected number of 19F NMR spectral lines, including satellites, for [XeF5]- is [Abundance of 129Xe (I = 1/2) = 26%] · DEC 2016
ABC26IN1181 · The expected number of 19 F NMR spectral lines, including satellites, for [XeF5]-is [Abundance of 129 Xe(I=1 / 2)=26%] · DEC 2016

Inorganic Spectroscopy – General

ABC26IN0158 · In the EPR spectrum of tetragonal Cu(II) complex, when g∥ > g⊥ > ge, the unpaired electron resides in the orbital. · JUNE 2011
ABC26IN0409 · A radical contains 14 N(I=1) with hyperfine constant 1.61 mT and two equivalent protons (I=1 / 2) with hyperfine constant 0.35 mT. The ESR… · 2005-2021
ABC26IN1153 · In the EPR spectrum of tetragonal Cu(II) complex, when g∥ > g⊥ > ge, the unpaired electron resides in the orbital. · JUNE 2011
ABC26IN0410 · In the proton decoupled 13 C and 31 P NMR spectra of (CH3)3 P=O, the number of lines observed, respectively, are · 2005-2021 self-practice
ABC26IN0411 · If ClF3 were to be stereochemically rigid, its 19 F NMR spectrum (I for 19 F=1/2) would be (assume that Cl is not NMR active) · 2005-2021 self-practice
ABC26IN1156 · In the 19 F NMR spectrum of PF5, the number of signals and multiplicity, at room temperature are · DEC 2011
ABC26IN0413 · Upon heating, compound X is converted to Y, which has the same molecular formula as that of X. The 1H NMR spectrum of Y shows two doublets… · 2005-2021
ABC26IN0414 · The 31P NMR spectrum of P4S3 consists of · 2005-2021
ABC26IN0415 · The 1 H NMR spectrum of HD consists of a · 2005-2021
ABC26IN1160 · The total numbers of fine and hyperfine EPR lines expected for octahedral high-spin Mn(II) complexes are respectively (I=5 / 2 for Mn) · JUNE 2012
ABC26IN0418 · The value of 'g' and the number of signals observed for the references standard, diphenylpicry lhydrazyl (DPPH), in the solid stae ESR… · 2005-2021
ABC26IN1162 · The number of lines exhibited by a high resolution EPR spectrum of the species, [Cu(ethylenediamine)2]2+ is [Nuclear spin (I) of Cu=3 / 2… · DEC 2012
ABC26IN0419 · The 19 F NMR spectrum of ClF3 when measured at -60° C will be observed as a · 2005-2021
ABC26IN0161 · Find out the number of lines in the 31P NMR signal for diagram · DEC 2012
ABC26IN0421 · In the EPR spectrum of a methyl radical, the number of the lines and their relative intensities, respectively, are · 2005-2021
ABC26IN1167 · For a tetragonally distorted Cr(III) complex, zero-field splitting results in the following number of Kramers doublets: · JUNE 2013
ABC26IN1169 · In Mössbauer experiment, a source emitting at 14.4 KeV (3.48 × 1018 Hz) had to be moved towards absorber at 2.2 mms-1 for resonance. The… · JUNE 2013
ABC26IN1170 · The 19F NMR spectrum of ClF3 shows · JUNE 2014
ABC26IN1173 · The number of lines in the ESR spectrum of CD3 is (the spin of D is 1) · JUNE 2014 self-practice
ABC26IN1174 · EPR spectrum of a free radical containing nuclei with nonzero nuclear spin is obtained if the following selection rules are observed- · DEC 2014
ABC26IN0162 · The 119Sn NMR chemical shift (approximately in ppm) corresponding to (eta 5-Cp)2Sn (relative to Me4Sn) is · JUNE 2015
ABC26IN1175 · The 119Sn NMR chemical shift (approximately in ppm) corresponding to (eta 5-Cp)2Sn (relative to Me4Sn) is · JUNE 2015
ABC26IN1177 · Mössbauer spectrum of a metal complex gives information about · JUNE 2015
ABC26IN0163 · Identify correct statements for the EPR spectrum of VO(acac)2 [with square pyramidal geometry at vanadium] at 77K [I(51V) = 7/2] (A) It has… · JUNE 2016
ABC26IN1178 · Identify correct statements for the EPR spectrum of VO(acac)2 [with one pyramidal geometry at vanadium] at 77 K [I(51V)=7/2] (A) It has two… · JUNE 2016
ABC26IN1185 · Mössbauer spectrum of complex [Fe(1,10-phenanthroline)2(NCS)2] shows two lines at 300 K, four lines at 186 K, and again two lines at 77 K… · JUNE 2017
ABC26IN1186 · (R3Ge)2 on photolysis gives a radical which shows ESR spectrum. The ESR signals carrying the signature of 73Ge (I=9/2) are in terms of · JUNE 2017
ABC26IN1187 · The 31P(1H) NMR spectrum of 2,2,6,6-N4P4Cl4(NMe2)4 is expected to show · JUNE 2017
ABC26IN0165 · The number of lines in EPR spectrum of CD3 (ID = 1) is · DEC 2017
ABC26IN1189 · The number of lines in EPR spectrum of CD3 (ID=1) is · DEC 2017

IR Raman Symmetry

ABC26IN1171 · The low temperature (-98°C) 19F NMR spectrum of SF4, shows doublet of triplets with the point group symmetry. · JUNE 2014

Magnetic Measurements

ABC26IN0166 · In the 31P{1H} NMR spectrum of a diamagnetic complex mer-[M(PR3)3Cl3] (M = transition metal, I = 0) expected number of resonance(s) is · DEC 2017
ABC26IN1190 · In the 31 P { 1 H} NMR spectrum of a diamagnetic complex mer- [M (PR3)3 Cl3](M= transitionmetal, I=0) expected number of resonance(s) is · DEC 2018

Mossbauer

ABC26IN1176 · The reduced form of a metal ion M in a complex is NMR active. On oxidation, the complex gives an EPR signal with g∥=2.2 and g⊥=2.0… · JUNE 2015
ABC26IN1180 · To record Mossbauer spectrum of Fe containing samples, a source 'X' is used. X after a nuclear transformation (Y), gives gamma -radiation… · JUNE 2016
ABC26IN1192 · Consider the following statements for [FeO4]2- (A) It is stable in the pH range 0-14 (B) It is stable in strongly basic medium only (C) It… · DEC 2018
ABC26IN1195 · In Mossbauer spectrum of a sample containing iron recorded in the presence of a static magnetic field, the number of possible allowed… · DEC 2019