If the proton attached to C2 in 1,1,2-tribromopropane is coupled ...

[piesebel]

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]

Answer to Question 1



Answer to Question 2

b

[piesebel]

Thanks

[alexanderhamilton]

Welcome