Which compound has five singlets in its proton-decoupled 13C NMR ...

[tingc95]

Which compound has five singlets in its proton-decoupled ¹³C NMR spectrum and two quartets, one triplet, one doublet, and one singlet in its proton-coupled ¹³C NMR spectrum?
  A)
   
 
  D)
   
 
  B)
   
 
  E)
   
 
  C)
   
 

Question 2

The compound will show what number of peaks in its ¹H decoupled ¹³C NMR spectrum?
  A)
  3
  B)
  4
  C)
  5
  D)
  6
  E)
  9

Question 3

Which of following will have three peaks in its ¹H decoupled ¹³C NMR spectrum?
  A)
  pentane
  B)
  isopentane
  C)
  isobutane
  D)
  benzene
  E)
  m-chlorotoluene

[mtmmmmmk]

Answer to Question 1

e

Answer to Question 2

b

Answer to Question 3

a

[tingc95]

TYSM

[frankwu0507]

Great answer, keep it coming