Inorganic Spectroscopy

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

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

ABC26IN1154 · Consider the compounds, (A) SnF4(B) SnCl4 and (C) R3 SnCl. The nuclear quadrupole splitting are observed for. · JUNE 2011

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

ABC26IN0159 · The metal complex that exhibits a triplet as well as doublet in its 31P NMR spectrum is · JUNE 2012

ABC26IN0415 · The 1 H NMR spectrum of HD consists of a · 2005-2021

ABC26IN1159 · The metal complex that exhibits a triplet as well as doublet in its 31P NMR spectrum is · JUNE 2012

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

ABC26IN0417 · The extent of Mossbauer quadrupole splitting of iron follows the order · 2005-2021

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

ABC26IN0160 · The recoil energy of a Mossabauer nuclide of mass 139 amu is 2.5 MeV. The energy emitted by the nucleus in keV is: · DEC 2012

ABC26IN0419 · The 19 F NMR spectrum of ClF3 when measured at -60° C will be observed as a · 2005-2021

ABC26IN1163 · The recoil energy of a Mossabauer nuclide of mass 139 amu is 2.5 MeV. The energy emitted by the nucleus in keV is: · DEC 2012

ABC26IN0161 · Find out the number of lines in the 31P NMR signal for diagram · DEC 2012

ABC26IN0420 · The characteristic feature of an electronic spin resonance (ESR) spectrum of frozen aqueous solution of CuSO4 · 5 H2 O at 77 K is · 2005-2021

ABC26IN0421 · In the EPR spectrum of a methyl radical, the number of the lines and their relative intensities, respectively, are · 2005-2021

ABC26IN1166 · Among the following, those can act as Mössbauer muclei are (A) 129I (B) 57Co (C) 57Fe (D) 121Sb · JUNE 2013 self-practice

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

ABC26IN1182 · The reaction between PI3, PSCl3 and zinc powder gives P3I5 as one of the products. The solution state 31P NMR spectrum of P3I5 shows a… · DEC 2016

ABC26IN1183 · For complex A, deuteration of NH protons does not alter the EPR spectrum. The number of hyper fine lines expected in the EPR [I(63Cu) =… · DEC 2016

ABC26IN1184 · Number of lines in the 19 F NMR spectrum of F2 C(Br)-C(Br) Cl2, at -120° C assuming it a mixture of static conformations given below, are · DEC 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

ABC26IN1188 · Assuming 1JPH > JPB the expected 31P NMR spectrum of H3P.11BCl3 [for 11B, I = 3/2] is · DEC 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

ABC26IN0168 · For the complex shown below in non-fluxional state, the expected 31P{1H} NMR resonance(s) is/are [31P = I = 1/2] · DEC 2019 self-practice

ABC26IN1194 · For the complex shown below in non-fluxional state, the expected 31P{1H} NMR resonance(s) is/are [31P = I = 1/2] · DEC 2019

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

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