Organic Chemistry, Books A La Carte Edition (7th Edition)
7th Edition
ISBN: 9780321819031
Author: Paula Yurkanis Bruice
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Question
Chapter 14.19, Problem 35P
Interpretation Introduction
Interpretation
The concentration of the compound has to be calculated.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A solution of ethanol has been contaminated with benzene—a technique employed to make ethanol unfit to drink. Benzene has a molar absorptivity of 230 M-1 cm-1 at 260 nm in ethanol, and ethanol shows no absorbance at 260 nm. How can the concentration of benzene in the solution be determined?
A solution of compound Z absorbs light of wavelength 256 nm, and for this absorption, log ε=3.3. What is the concentration of a solution of Z (in an optical cell of path length 1 cm) that gives the absorbance reading is 0.21?
Calculate the molar absorptivity and absorbance of a 1.00 x 104 M solution, which has atransmittance of 32.1% , when the path length is 2.5 cm at 650 nm. (
Chapter 14 Solutions
Organic Chemistry, Books A La Carte Edition (7th Edition)
Ch. 14.1 - Which of the following fragments produced in a...Ch. 14.2 - What distinguishes the mass spectrum of...Ch. 14.2 - What is the most likely m/z value for the base...Ch. 14.3 - Prob. 5PCh. 14.3 - If a compound has a molecular ion with an...Ch. 14.3 - a. Suggest possible molecular formulas for a...Ch. 14.3 - Identify the hydrocarbon that has a molecular ion...Ch. 14.4 - Predict the relative intensities of the molecular...Ch. 14.5 - Which molecular formula has an exact molecular...Ch. 14.5 - Prob. 11P
Ch. 14.6 - Sketch the mass spectrum expected for...Ch. 14.6 - The mass spectra of 1-methoxybutane,...Ch. 14.6 - Prob. 14PCh. 14.6 - Identify the ketones responsible for the mass...Ch. 14.6 - Prob. 16PCh. 14.6 - Using curved arrows, show the principal fragments...Ch. 14.6 - The reaction of (Z)-2-pentene with water and a...Ch. 14.9 - Prob. 19PCh. 14.9 - Prob. 20PCh. 14.9 - Prob. 21PCh. 14.13 - Prob. 22PCh. 14.14 - Which occur at a larger wavenumber: a. the C O...Ch. 14.14 - Prob. 24PCh. 14.14 - Prob. 25PCh. 14.14 - Rank the following compounds from highest...Ch. 14.14 - Which shows an O H stretch at a larger...Ch. 14.15 - Prob. 28PCh. 14.15 - a. An oxygen-containing compound shows an...Ch. 14.15 - Prob. 30PCh. 14.15 - For each of the following pair of compounds, name...Ch. 14.16 - Which of the following compounds has a vibration...Ch. 14.16 - Prob. 33PCh. 14.17 - A compound with molecular formula C4H6O gives the...Ch. 14.19 - Prob. 35PCh. 14.19 - Prob. 36PCh. 14.20 - Predict the max of the following compound:Ch. 14.20 - Prob. 38PCh. 14.21 - a. At pH = 7 one of the ions shown here is purple...Ch. 14.21 - Prob. 40PCh. 14.22 - Prob. 41PCh. 14.22 - Prob. 42PCh. 14 - In the mass spectrum of the following compounds,...Ch. 14 - Prob. 44PCh. 14 - For each of the following pairs of compounds,...Ch. 14 - Draw structures for a saturated hydrocarbon that...Ch. 14 - a. How could you use IR spectroscopy to determine...Ch. 14 - Assuming that the force constant is approximately...Ch. 14 - In the following boxes, list the types of bonds...Ch. 14 - A mass spectrum shows significant peaks at m/z. =...Ch. 14 - Prob. 51PCh. 14 - Prob. 52PCh. 14 - Prob. 53PCh. 14 - How can you use UV spectroscopy to distinguish...Ch. 14 - Rank the following compounds from highest...Ch. 14 - Rank the following compounds from highest...Ch. 14 - What peaks in their mass spectra can be used to...Ch. 14 - Each of the IR spectra shown below is accompanied...Ch. 14 - Prob. 59PCh. 14 - Prob. 60PCh. 14 - How can IR spectroscopy distinguish between...Ch. 14 - 62. Draw the structure of a carboxylic acid that...Ch. 14 - Prob. 63PCh. 14 - Give approximate wavenumbers for the major...Ch. 14 - Prob. 65PCh. 14 - Prob. 66PCh. 14 - Prob. 67PCh. 14 - The IR spectrum of a compound with molecular...Ch. 14 - Which one of the following live compounds produced...Ch. 14 - Prob. 70PCh. 14 - Phenolphthalein is an acid-base indicator. In...Ch. 14 - Which one of the following five compounds produced...Ch. 14 - The IR and mass spectra for three different...
Knowledge Booster
Similar questions
- Calculate the absorbance of an organic dye [C =7×10-4 mol L−1] ,knowing that the molar absorptivity ∈= 650 mol L−1 cm−1 and that the length of the optical path of the cell used is 2×10−2 m. What would happen to the absorbance if the cell used was of double its present thickness?arrow_forwardThe molar absorptivity for the FD&C dye “Red No. 3” (Erythrosine) 8.25104 M‒1·cm‒1 at 526 nm. Calculate the expected absorbance of solution of Red No. 3 with a concentration of 4.00×10–6M when measured at 629 nm in a 2.00 cm cell.arrow_forwardWhich of the following compounds can have two absorbance bands at 3300 cm-1 and 2150 cm-1?arrow_forward
- the absorbance of an equilibrium mixture of Fescn2+ was measured at 447nm and found to be 0.319. What is the equilibrium concentration of FeSCN2+?arrow_forwardThe most intense absorption band in the visible spectrum of [Mn(H2O)6]2+ is at 24,900 cm-1 and has a molar absorptivity of 0.038 L mol-1 cm-1. What concentration of [Mn(H2O)6]2+ would be necessary to give an absorbance of 0.10 in a cell of path length 1.00 cm?arrow_forwardCalculate the absorbance of a 5.2 x 10-4 M solution of the drug tolbutamine measured at 262 nm in a 1.00-cm cell. The molar absorptivity of tolbutamide at 262 nm is 703 M-1 cm-1arrow_forward
- What color would you expect for light transmitted through a solution with an absorption maximum at (a) 450; (b) 550; (c) 650 nm?arrow_forwardThe molar absorptivity for Blue #1 dye is 1.30105 M‒1 ·cm‒1 at 629 nm. Calculate the expected absorbance of solution of Blue #1 with a concentration of 4.50×10–6M when measured at 629 nm in a 1.50 cm cell.arrow_forwardFe+3 (aq) + SCN – (aq) FeSCN +2 (aq) She mixes 4.00 mL of 2.00 mM SCN– and 5.00 mL of 2.00 mM Fe+3 ions, then diluting with 1.00mL of water to give a total volume of 10.00mL. She measures the absorbance of the solution asbeing 0.210. If she has previously calculated the molar absorbtivity constant (ε) of the product tobe 2583 cm–1 M–1, what is her best estimate for the K value for this reaction?arrow_forward
- A 0.012mM sample of a compound in water has a molar absorptivity of 27,2671 1/m^-1cm^-1 at 573nm in a 1.000 cm cuvette. What is the absorbance of the solution?arrow_forwardBenzophenone is an aromatic ketone, being an important compound. in organic photochemistry, perfumery and in organic synthesis. benzophenone has an optical absorption band at 340 nm (Λ max) that changes to longer wavelengths when the composite is placed in a polar solvent. What is the prediction you can make of the transition type responsible for this optical absorption and justify your answerarrow_forwardExpress the following absorbances in terms of percent transmittances.(a) 0.0356(b) 0.379(c) 0.485arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Principles of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
Principles of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage Learning
Macroscale and Microscale Organic ExperimentsChemistryISBN:9781305577190Author:Kenneth L. Williamson, Katherine M. MastersPublisher:Brooks Cole
Principles of Instrumental Analysis
Chemistry
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Cengage Learning
Principles of Modern Chemistry
Chemistry
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:Cengage Learning
Macroscale and Microscale Organic Experiments
Chemistry
ISBN:9781305577190
Author:Kenneth L. Williamson, Katherine M. Masters
Publisher:Brooks Cole