The C₇ Compound Which Gives 3 Signals in the Broadband

Multiple Choice

The C₇ compound which gives 3 signals in the broadband proton-decoupled ¹³C spectrum could be:

A) Heptane
B) 2-Methylhexane
C) 3,3-Dimethylpentane
D) 2,4-Dimethylpentane
E) 2,2,3-Trimethylbutane