5th Edition

ISBN: 9781259977596

Author: SMITH

Publisher: MCG

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NMR stands for Nuclear Magnetic Resonance in which the study of different molecules is done based on the interaction of radiofrequency electromagnetic radiations with the nuclei of molecules placed in a strong magnetic field. A precise study of spectra o…

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Textbook Question

Chapter 13, Problem 13.22P

Propose structures consistent with each set of data: (a) a hydrocarbon with a molecular ion at m / z = 68and IR absorptions at 3310, 3000–2850, and 2120 cm − 1 ,(b) a compound containing C, H and O witha molecular ion at m / z = 60 and IR absorptions at 3600–3200 and 3000–2850 cm − 1 .

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Chapter 13 Solutions

ORGANIC CHEMISTRY

Ch. 13 - What is the mass of the molecular ion formed from...Ch. 13 - Prob. 13.2P Ch. 13 - Use the following information to propose a...Ch. 13 - Prob. 13.4P Ch. 13 - What molecular ions would you expect for the...Ch. 13 - The mass spectrum of 2,3-dimethylpentane also...Ch. 13 - The base peak in the mass spectrum of 2, 2,...Ch. 13 - (a) What mass spectral fragments are formed by ...Ch. 13 - What cations are formed in the mass spectrometer...Ch. 13 - The low-resolution mass spectrum of an unknown...

Ch. 13 - Benzene, toluene, and p-xylene BTX are often added...Ch. 13 - Prob. 13.12P Ch. 13 - Prob. 13.13P Ch. 13 - Prob. 13.14P Ch. 13 - Prob. 13.15P Ch. 13 - How do the IR spectra of the isomers cyclopentane...Ch. 13 - Problem 13.17 How do the three isomers of...Ch. 13 - Problem 13.18 What functional groups are...Ch. 13 - Problem-13.19 What are the major IR absorptions in...Ch. 13 - Problem-13.20 What are the major IR absorptions in...Ch. 13 - Problem-13.21 Which of the following possible...Ch. 13 - Problem-13.22 Propose structures consistent with...Ch. 13 - 13.23 What major IR absorptions are present above ...Ch. 13 - Problem-13.24 The mass spectrum of the following...Ch. 13 - Prob. 13.25P Ch. 13 - Which compound gives a molecular ion at m/z= 122,...Ch. 13 - Propose two molecular formulas for each molecular...Ch. 13 - Propose four possible structures for a hydrocarbon...Ch. 13 - Problem-13.29 What is the molecular formula for...Ch. 13 - Problem-13.30 Propose a molecular formula for rose...Ch. 13 - 13.31 Match each structure to its mass spectrum Ch. 13 - 13.32 Propose two possible structures for a...Ch. 13 - 13.33 What cations are formed in the mass...Ch. 13 - 13.34 and have the same molecular ion in the...Ch. 13 - 13.35 For each compound, assign likely...Ch. 13 - Prob. 13.36P Ch. 13 - 13.37 Propose a structure consistent with each...Ch. 13 - 13.38 A low-resolution mass spectrum of the...Ch. 13 - 13.39 Primary alcohols often show a peak in their...Ch. 13 - 13.40 Like alcohols, ethers undergo α cleavage by...Ch. 13 - 13.41 Which of the highlighted bonds absorbs at...Ch. 13 - 13.42 What major IR absorptions are present above ...Ch. 13 - 13.43 How would each of the following pairs of...Ch. 13 - 13.44 Morphine, heroin, and oxycodone are three...Ch. 13 - 13.45 Reduction of cyclohex-2-enone can yield...Ch. 13 - Prob. 13.46P Ch. 13 - 13.47 Match each compound to its IR spectrum Ch. 13 - 13.48 Propose possible structures consistent with...Ch. 13 - A chiral hydrocarbon X exhibits a molecular ion at...Ch. 13 - 13.50 A chiral compound has a strong absorption...Ch. 13 - 13.51 Treatment of benzoic acid with followed by...Ch. 13 - 13.52 Treatment of benzaldehyde with in aqueous ...Ch. 13 - Prob. 13.53P Ch. 13 - 13.54 Reaction of 2-methylpropanoic acid with ...Ch. 13 - 13.55 Reaction of pentanoyl chloride with lithium...Ch. 13 - Prob. 13.56P Ch. 13 - 13.57 Treatment of anisole with and forms P,...Ch. 13 - 13.58 Reaction of with forms compound ,...Ch. 13 - Problem-13.59 The carbonyl absorption of an amide...Ch. 13 - Prob. 13.60P Ch. 13 - Problem-13.61 Explain why a ketone carbonyl...Ch. 13 - 13.62 Oxidation of citronellol, a constituent of...

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Propose structures consistent with each set of data: (a) a hydrocarbon with a molecular ion at m / z = 68and IR absorptions at 3310, 3000–2850, and 2120 cm − 1 ,(b) a compound containing C, H and O witha molecular ion at m / z = 60 and IR absorptions at 3600–3200 and 3000–2850 cm − 1 .

Solution Summary: The author explains the molecular ion structure of a hydrocarbon with IR absorption at 3000-2850 cm-1.

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Chapter 13 Solutions

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