The 3'P {'H} NMR spectrum of cis-[Pt(PEt,),Cl,] (19$Pt (33.8% abundance) I= ½; its other isotopes are NMR inactive; 31P:I=½)is comprised with satellite peaks of a (a) triplet (b) singlet (c) doublet (d) quartlet
Q: The 19F NMR spectrum of IF5 consists of two lines of equal intensity and a quintet (five lines with…
A: Heteronuclear NMR is an application of NMR spectroscopy. Spin-spin coupling occurs between all NMR…
Q: When measured in a 1.00 cm cuvette, a 4.1x10M solution of species X exhibited absorbances of O.1025…
A: The amount of a substance that dissolves in a specified volume of solvent to yield a solution is…
Q: The spectrum of trans-hex-2-enoic acid follows.(a) Assign peaks to show which protons give rise to…
A: (a)
Q: Identify the significant functional groups and interpret/ describe the FTIR spectrum for the solid…
A: A question based on IR spectroscopy that is to be accomplished.
Q: Give the structure of the charged fragments responsible for the indicated peaks in the mass spectrum…
A:
Q: A transition metal chloride (MCI;) combines with pyridine and DMSO to give a metal complex with a…
A: To which atom does the DMSO ligand bond to central M2+ ion.
Q: Sketch the form of the 19F-NMR spectra of a natural sample of 10BF4- and 11BF4-.
A: NMR spectroscopy is the method that is used to detect nuclei in a molecule, it works under radio…
Q: (b). In the electronic spectrum of [V(OH2)6]³+ solution, two bands are observed at 17200 and 25600…
A: The complex, [V(H2O)6]3+ is a high spin octahedral complex having the electronic configuration d2 in…
Q: - Suggest a structure befitting the spectral expected mass spectral fragmentatio below and indicate…
A:
Q: Write short note on: (i) FT-IR Spectrometer (ii) Dispersive Spectrometry using Monochromators (iii)…
A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: 5. (a) The Mossbauer effect depends upon the recoilless emission of a y-ray. How important is it to…
A: This Question is based upon Mossbauer Spectroscopy.
Q: Why do the following isotopes give strong signals in NMR spectroscopy: 1H, 19F and 31P?
A: The given Nucleus: 1H 19F 31P These have a non-zero spin moment.
Q: 6. Provide the COSY spectrum and me-HSQC spectrum of 2-pentanone. Comment on the difference between…
A: This Question is based upon 2-D NMR
Q: (d) THE UV-spectra of two isomers of cinnamic acid absorb at 272 nm and 268 nm. Identify the isomers…
A:
Q: Which of the following is used as an 1 I. internal standard in in 1H-NMR spectroscopy? O…
A: NMR spectroscopy is a very important tool for the determination of the structure of the organic…
Q: 6. Provide the COSY spectrum and me-HSQC spectrum of 2-pentanone. Comment on the difference between…
A: This Question is based on NMR COSY Spectroscopy.
Q: 1. You are given two compounds, dimethylamine (CH3)2NH and ethanamide, CH3CONH2. a) Which compound…
A: Base who accepts proton. Amides are neutral in nature where as amines are basic.
Q: Which compound best matches the data given? B. D Mass Spec: Parent lon at 98 High Resolution Mass…
A: IR spectroscopy is used to determine the structure of the molecule.
Q: Draw the structure of the compound C,HgS from its proton ('H) NMR spectrum below. First-order…
A:
Q: Compound 67 is a high-boiling liquid (boiling point 180° C) that reacts with I, in aqueous base to…
A: The structure of a chemical compound is determined by using spectroscopy. Various spectroscopy are…
Q: Furosemide (MM: 330.7 g/mol) is a diuretic derived from anthranilic acid, this diuretic is used in…
A: a) As per Beer's law: A=∈bc -------(1)where,A=Absorbance of solution∈=Absorptivity/Molar…
Q: C-0, C-C, spC-H). ted to them (eg Mass spectrum (electron ionization) of dibenzalacetone Mark the…
A: Peaks at # 3020 cm-1 is due to C-H stretching of aromatic compound. # 1710 cm-1 due to CO bond…
Q: A. The Cannabis Gummies were illegally shipped into the country but were intercepted at NAIA upon…
A:
Q: The low-resolution mass spectrum of 2-pentanol shows 15 peaks. Account for the formation of the…
A: The formation of the peaks at m/z 73, 70, 55, 45, 43, and 41 have to be given, The structure of…
Q: ) Predict the number of lines expected in EPR spectrum of bis (salicylaldiaminato) copper(II).…
A: The given problem is based on ESR the number of lines = ( 2nI + 1)
Q: biphenyl has an absorbance maximum at 245 nm. Obtain the UV-Vis spectrum of biphenyl Which of the…
A: Non-polar solvents easily soluble in other non-polar solvents. Polar solvents easily soluble in…
Q: C3H8O has the following spectra. Calculate the degrees of unsaturation (index of hydrogen…
A: Given molecular formula C8H8O The formula to calculate degree of unsaturation is:
Q: The following pairs of isomers can be easily distinguished by NMR. Identify the ap- propriate…
A: Two pairs of isomers,which are to be distinguished using H-NMR.
Q: A 5.020 g sample of dried spinach leaves was digested in 50 mL of 6 mol L-¹ nitric acid. The…
A: Iron content of spinach can be calculated from the calibration curve linear equation.
Q: 3. Deduce the structure of the molecule with the formula CaHuo with adsorption in the FTIR spectrum…
A: In this question, we have given the values of infrared spectroscopy and NMR spectroscopy. We have to…
Q: You are provided with IR, Mass, 'H, and "C-NMR spectra of a compound having the molecular formula…
A: The objective of the question is to interpret the data and find the structure.
Q: The spectrum of the complex [Cr(NH,)J³* in aqueous solution are given below which has two moderate…
A:
Q: Chapte spectra, along with C NMR data, are given below Elemental Analysis: C, 4916, H, 4.13,…
A: Note : M : M+2 (1:1). Therefore the compound is having bromine. Aromatic region five protons and two…
Q: 4. (a) What is meant by anisotropic EPR spectra? Mention three applications of EPR spectroscopy.
A:
Q: interpret NMR spectra and report NMR data stating, in this order: nucleus (1 H or 13C), solvent,…
A: The chemical structure of an unknown molecule can be determined by knowing the empirical/molecular…
Q: 7. Please draw the spectra, how many hyperfine line you are expecting for the following (1)…
A: When in a compund, unpaired electrons are present, it is called ESR active. Note- 1st question…
Q: The molar extinction coefficient of B (MW = 180) is 4x10 lit mol' cm'. One liter solution of C which…
A: Molar extinction coefficient = 4 × 103 lit mol-1 cm-1 Molar mass of B = 180 g/mol Weight of sample…
Q: To resolve the Na D lines 591.0 and 591.5 nm, what resolution is required if this is first order?
A: The resolving power of first order monochromator can be calculated as
Q: 1. The accompanying absorption data were recorded at 390 nm in a 1.00 cm cells for a continuous…
A:
Q: What are differences between ammonia distillation and atomic absorption spectroscopy. Whichever is…
A: Ammonium absorption spectroscopy and atomic emission spectroscopy (AAS) is a spectroanalytical…
Q: The two square-planar isomers of [PtBrCl(PR3)2] (where PR3is a trialkylphosphene) have different…
A: Solution -
Q: Propose mechanisms for the formation of ion fragments m/z 97, 83, 69 and 55 in the mass spectrum of…
A: The mechanism for the fragmentation of pattern of (CH3)2CCHC(O)C(CH3)2CHCH2 to afford the following…
Q: Given the relationship between absorbance and equilibrium shift, why do you get an absorbance of…
A: Given: an absorbance of 1.245 for the addition of AgNO3 is observed when the absorbance of the…
Q: 1. A forensic investigation was carried out to determine the amount of gun-shot residue on a small…
A:
Q: The infrared spectrum of the compound with the mass spectrum shown below has strong absorbances at…
A: The answer is as follows:
Q: b Give the structure of the fragment responsible for the peak at 77 m/z.
A:
Q: You are given two compounds, dimethylamine (CH3)2NH and ethanamide, CH3CONH2. a) b) c) Which…
A:
Q: The IR spectrum of CO shows a vibrational absorption band centered at 2170/cm. (a) what is the force…
A: Given : v = 2170 cm-1 Vibrational frequency is given by, atomic mass of C =m1 = 12g and atomic…
Q: What do we need to pay attention in using a UV-Vis spectroscopy for quantitative analysis in terms…
A: The UV-Vis spectroscopy follows Beer-Lambert's Law, which states that -" The absorbance of the…
Q: (p) EPR spectrum of bis (salicylaldiaminato) (d) Predict the number of lines expected in copper(II).…
A: EPR spectroscopy comes under absorption spectroscopy, in which the energy levels are produced due to…
![The 3'P {'H} NMR spectrum of cis-[Pt(PEt,),Cl,] (19$Pt (33.8% abundance) I=½; its other isotopes are
NMR inactive; 31P:I=½) is comprised with satellite peaks of a
(a) triplet
(b) singlet
(c) doublet
(d) quartlet](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3ca10401-4ac9-4956-8433-3e6d01ac4612%2F17bb1368-3de4-445c-b8f3-681532924ed5%2Fp6nry7a_processed.jpeg&w=3840&q=75)
Step by step
Solved in 2 steps
- Define mass spectroscopy and the underlying principle/background of its method for characterizing samples.How many different phosphorus chemical environments are there for trans-[RhClCO(PPh3)2] and cis -[RhClCO(PPh3)2] complexes in 31P- NMR spectra?Explain the process of isolation and characterization of Enalapril in tablets for the commercial drug vasotec, by way of extraction of the solid phase and spectroscopy of infrared..
- Furosemide (MM: 330.7 g/mol) is a diuretic derived from anthranilic acid, this diuretic is used in the treatment of kidney disease, hypertension, liver cirrhosis, and others. Furosemide in alkaline dissolution has an absorption spectrum with a maximum peak centered at 271 nm. The analysis of a furosemide tablet was performed by dissolving its content in a 0.1 mol L-1 NaOH solution and this dissolution completed for a volume of 100 mL, with 1.0 mL of this dissolution was transferred to 50.0 ml and made up to volume with the same solvent. It is dissolution has an absorbance value of 0.475 to 271 nm, with a 1.0 cuvette cm of optical path. At this wavelength, a series of dissolutions of a Standard substance of this drug has the following absorbance measurements (1.0 cm bucket): a) Demonstrate whether the experimental data are in accordance with Bee's law (b) Determine absorptivity and molar absorptivity (c) Determine the amount of drug in the tablet in mg and in ppm (d) Determine the…Please help me fill the remaining spaces. The spaces marked with NA don't need to be calculate. Name Molecular Weight Amounts used mmol Equivalents M.P or BP (C) Density (g/mL) Indene 116.16 .5mL MP=-2 BP=181-182 .996 Borane-tetrahydrofuran Complex 85.94 2.8mL 1 MP= -108 BP=66 NA 30% Hydrogen Peroxide 34.01 1mL MP= -33 BP=108 NA 3 M NaOH(aq) 40 .7mL MP=318 BP=1390 NA Diethyl Ether 74.12 NA NA NA BP=75-78 .902 Hexanes 86.17 NA NA NA BP=65.5-68.3 .659 Potassium Permanganate 158.03 NA NA NA BP=100 1.0 1-Indanol (Product) 134.13 NA MP=50-54 NA 2-Indanol (Product) Same as Above Same as Above Same as Above NA MP=68-71 NAThe ESI mass spectrum (positive mode) of the complexshown below contained a peak envelope with m/z527.9 (100%), 528.9 (15%), 529.9 (46%), 530.9(7%), 531.9 (0.5%). A group of peaks of lowintensity and with spacings of m/z ¼ 1 was alsoobserved around m/z 994. (a) What is the oxidationstate of Cu in the complex? (b) Assign the majorpeak and account for the isotope pattern. (c) Suggesthow the minor peak arises. [The mass spectrum of the complex complex is shown on pic.]
- The base peak in the mass spectrum of 2,2,5,5-tetramethylhexane (molecular mass = 142) is at m/z = 57, which corresponds to a composition of C4H9. Suggest a structure for the fragment that accounts for this peak and offer a reason for why this fragment is so abundant.The NMR spectra for compound 1 were acquired in a 7.5 mg / 0.6 mL solution ofCDCl3 and are found in the accompanying file. The 1H are also listedbelow. Identify the name of compound 1 and Provide a full analysis of the NMR spectra for compound 1 with table showing peak name and assignment 1H NMR (400 MHz, CDCl3) δ 7.73 (d, J = 9.5 Hz, 1H), 7.56 (ddd, J = 8.5, 7.5, 1.6 Hz, 1H),7.51 (dd, J = 7.5, 1.6 Hz, 1H), 7.36 (d, J = 8.5 Hz, 1H), 7.30 (dd, J = 8.5, 7.5 Hz, 1H), 6.45(d, J = 9.5 Hz, 1H).The IR spectrum of CO shows a vibrational absorption band centered at 2170/cm. (a) what is the force constant for the CO bond? (b) At what wavenumber would the corresponding peak for 14CO occur?
- Mercury(II) forms a 1:1 complex with triphenyltetrazolium chloride that exhibits an absorption maximum at 255 nm. The mercury(II) in a soil sample was extracted into an organic solvent containing an excess of TTC , and the resulting solution was diluted to 100.0 mL in a volumetric flask. Five-milliliter aliquots of the analyte solution were then transferred to six 25-mL volumetric flasks. A standard solution was then prepared that was 5*10^-6 M in . Volumes of the standard solution shown in the table were then pipetted into the volumetric flasks, and each solution was then diluted to 25.00 mL. The absorbance of each solution was measured at 255 nm in 1.00-cm quartz cells. Please solve and explain these questions: A.) Enter the given data pictured above into a spreadsheet and show the correct standard additions plot B.) Determine the slope and the intercept of the line C.)Determine the standard deviation of the slope and the intercept. D.) Calculate the concentration of Hg(II) in the…Most iron(III) compounds are very weakly colored, and do not lend themselves well to visible spectrometric analysis. Suggest a way in which their analyzability can be improved.When 20 ul of substance Z containing 1.5 umols was made up to 1.0 ml in a cuvette, the absorbance change was 2.5. What is the molar extinction coefficient of Z?