Question 1 How many signals would you expect to see in the proton NMR spectrum of the following...

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Question 1  How many signals would you expect to see in the proton NMR spectrum of the following compound?  Question 2  The protons indicated in the structure below would show up as a __________ in a proton NMR spectrum.  Answer A. singlet B. doublet C. triplet D. quartet E. septet 1 points Question 3  Which structure of molecular formula, C4H8Cl2, fits the proton NMR spectrum shown below?  Answer A. B. C. D. 1 points Question 4  Which compound has a proton NMR spectrum consisting of the following peaks: 0.9 (6H, doublet), 1.0 (3H, triplet), 2.
	
Document Preview: Question 1 How many signals would you expect to see in the proton NMR spectrum of the following compound? 	 Question 2 The protons indicated in the structure below would show up as a __________ in a proton NMR spectrum. AnswerA.singletB.doubletC.tripletD.quartetE.septet1 points   Question 3 Which structure of molecular formula, C4H8Cl2, fits the proton NMR spectrum shown below? AnswerA.B.C.D.1 points   Question 4 Which compound has a proton NMR spectrum consisting of the following peaks: 0.9 (6H, doublet), 1.0 (3H, triplet), 2.2 (2H, quartet), and 4.0 (1H, septet)? Notation: Chemical shift values are listed first in ppm. The absolute number of hydrogens and their multiplicities are given in parentheses. Hint: A few of the structures might fit the splitting patterns, so you will also need to consider the chemical shift values.AnswerA.B.C.D.1 points   Question 5 Which of the following protons gives an NMR signal with the highest chemical shift value (farthest downfield)? AnswerA.1B.2C.3D.4E.51 points   Question 6 Which structure of molecular formula, C7H14O, fits the proton NMR spectrum shown below? AnswerA.B.C.D.E.1 points   Question 7 How many of the following compounds are aromatic? Answer2 points   Question 8 Which of the following is the electrophile that attacks the aromatic ring during sulfonation?AnswerA.HSO3+B.SO2+C.HSO3-D.H2SO4E.HSO4-1 points   Question 9 What is the major organic product of the Friedel-Crafts alkylation reaction between benzene and isobutyl chloride in the presence of AlCl3?AnswerA.tert-butylbenzeneB.isobutylbenzeneC.n-butylbenzeneD.chlorobenzeneE.sec-butylbenzene

Robert · Accepted Answer

Question 1
1.  
How many signals would you expect to see in the proton NMR spectrum of the following compound?
 
Answer: Three signals
Question 2
1.  
The protons indicated in the structure below would show up as a __________ in a proton NMR spectrum.
 
Answer
	
	A.
	singlet
	
	B.
	doublet
	
	C.
	triplet
	
	D.
	quartet
	
	E.
	septet
1 points   
Question 3
1.  
Which structure of molecular formula, C4H8Cl2, fits the proton NMR spectrum shown below?
 
Answer
	
	A.
	
	
	B.
	 Answer is B (four signals)
	
	C.
	
	
	D.
	
Question 4
1.  
Which compound has a proton NMR spectrum consisting of the following peaks: 0.9 (6H, doublet), 1.0 (3H, triplet), 2.2 (2H, quartet), and 4.0 (1H, septet)? Notation: Chemical shift values are listed first in ppm.

Question 1 How many signals would you expect to see in the proton NMR spectrum of the following compound? Question 2 The protons indicated in the structure below would show up as a __________ in a...

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