Organic Spectroscopy
130 questions in this chapter, page 3 of 3.
Study loop for Organic Spectroscopy
1. Practise the PYQsPrevious-year questions, with answers
Organic Spectroscopy – General
ABC26OR0718 · Compounds Y and Z, respectively, are · 2000-2022
ABC26OR0719 · Compound Y and Z can be differentiated by carrying out basic hydrolysis, because · 2000-2022
ABC26OR0720 · The metal - ion along with its oxidation state and the number of unpaired electron present are · 2000-2022
ABC26OR0721 · The complex is Common Data for Q. 50 and Q. 51 An organic compound [X] (C12 H16 O3) exhibits the following spectral data IR : -1720 cm-1 1… · 2000-2022
ABC26OR0722 · The compound [X] is: · 2000-2022
ABC26OR0723 · The compound [Y] is: · 2000-2022
ABC26OR0724 · The compound [X] is: · 2000-2022
ABC26OR0958 · In the UV-visible is spectrum, a diterpenoid exhibited lambda max =275 nm. The compound, among the choices given below is · JUNE 2013
ABC26OR0725 · The major product [Y] is: · 2000-2022
ABC26OR0959 · In the broad band decoupled 13 C NMR spectrum, the number of signals appearing for the two pyrene diols A and B (A) (B) · JUNE 2013
ABC26OR0726 · In the proton decoupled 13 C NMR spectrum of 7 -norbornanone, the number of signals obtained is · 2000-2022
ABC26OR0727 · The ratio of relative intensities of the two molecular ion peaks of methyl bromide (CH3 Br) in the mass spectrum is: · 2000-2022
ABC26OR0728 · The number of signals that appear in the proton decoupled 13 C NMR spectrum of benzonitrile (C7 H5 N) is · 2000-2022
ABC26OR0729 · Among the compound given in the option (a) to (d), the one that exhibits a sharp band at around 3300 cm-1 in the IR spectrum is: · 2000-2022
ABC26OR0730 · An organic compound Q exhibited the following spectral data: IR: 1760 cm-1 1 H NMR: delta (ppm) : 7.2(1 H, d, J=16.0 Hz), 5.1(1 H, m)… · 2000-2022
ABC26OR0731 · The correct order of IR stretching frequency of the C=C in the following olefins is (I) (II) (III) · 2000-2022
ABC26OR0732 · The set of protons (underlined) in CH3 CH2 CH2 OCH3 that would exhibit different splitting patterns in high (500 MHz) and low (60 MHz)… · 2000-2022
ABC26OR0733 · The product of the following reaction gave 6 line 13 C NMR spectrum with peaks at delta 175,52,50,46,37,33 ppm. The structure of the… · 2000-2022
ABC26OR0734 · Given the fact that 1, 3-butadiene has a UV absorption of 217nm, the absorption wavelength (in nm) for the conjugated system shown below is… · 2000-2022
ABC26OR0735 · The m/z value of the detectable fragment formed by McLafferty like rearrangement of the following compound in mass spectrometer is ____ · 2000-2022
ABC26OR0736 · The total number of lines expected (due to spin-spin coupling of proton with fluorine and deuterium nuclei) in the 1 H NMR spectrum of the… · 2000-2022
ABC26OR0737 · The 13 C NMR spectrum of acetone -d6 has a signal at 30 ppm as a septet in the intensity ratio · 2000-2022
ABC26OR0738 · The spectroscopic data for an organic compound with molecular formula C10 H12 O2 are given below. IR band around 1750 cm-1. 1 H NMR delta… · 2000-2022
ABC26OR0739 · the elimination product of the following reaction is · 2000-2022
ABC26OR0741 · Consider two rectangular sheets, Sheet M and Sheet N of dimensions 6 cm × 4 cm each. Folding operation 1: The sheet is folded into half by… · 2000-2022 self-practice
ABC26OR0990 · Using a double beam UV-visible spectrophotometer, Beer's law fails for K 2 Cr2 O7 solution when · JUNE 2018
ABC26OR0136 · In the 31 P { 1 H} NMR spectrum of a diamagnetic complex m e r- [M (PR3)3 Cl3] expected number of resonance is · DEC 2018
ABC26OR0999 · The number of ' H NMR signals observed for the following compound is · JUNE 2019
UV Vis
ABC26OR0124 · In the UV-visible is spectrum, a diterpenoid exhibited a lambda max =275 nm. The compound, among the choices given below is · JUNE 2013