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Author Question: If the proton attached to C2 in 1,1,2-tribromopropane is coupled with the protons on C1 (J = 3.5 Hz) ... (Read 51 times)

piesebel

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on: Aug 23, 2018

If the proton attached to C2 in 1,1,2-tribromopropane is coupled with the protons on C1 (J = 3.5 Hz) and C3 (J = 6.8), draw the tree diagram of the C2 proton and predict the splitting pattern.
 
   



Question 2

How many positive and negative peaks appear in the DEPT-135 and in the DEPT-90 spectrum of 2-methylpentane?
   
  a.
  DEPT-135: two positive and one negative, DEPT-90: one positive
   
  b.
  DEPT-135: three positive and two negative, DEPT-90: one positive
   
  c.
  DEPT-135: three positive and two negative, DEPT-90: no signals
   
  d.
  DEPT-135: two positive and three negative, DEPT-90: two positive


alexanderhamilton

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Reply #1 on: Aug 23, 2018
Answer to Question 1



Answer to Question 2

b


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piesebel

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Reply #2 on: Aug 23, 2018
Thanks


alexanderhamilton

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Reply #3 on: Aug 23, 2018
Welcome :)


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