Solution Found!
The three isomers of dimethylbenzene are commonly named
Chapter 18, Problem 49SP(choose chapter or problem)
The three isomers of dimethylbenzene are commonly named ortho-xylene, meta-xylene, and para-xylene. These three isomers are difficult to distinguish using proton NMR, but they are instantly identifiable using \(\mathrm {^{13}C\ NMR}\).
(a) Describe how carbon NMR distinguishes these three isomers.
(b) Explain why they are difficult to distinguish using proton NMR.
Equation Transcription:
Text Transcription:
13C NMR
CH3
CH3
CH3
CH3
H3C
Questions & Answers
QUESTION:
The three isomers of dimethylbenzene are commonly named ortho-xylene, meta-xylene, and para-xylene. These three isomers are difficult to distinguish using proton NMR, but they are instantly identifiable using \(\mathrm {^{13}C\ NMR}\).
(a) Describe how carbon NMR distinguishes these three isomers.
(b) Explain why they are difficult to distinguish using proton NMR.
Equation Transcription:
Text Transcription:
13C NMR
CH3
CH3
CH3
CH3
H3C
ANSWER:
Solution 49SP
The three isomers of dimethyl benzene can be distinguished by the NMR spectroscopy by its chemical shift position as -
