The ability to excel in certain areas, or specific intelligence.    

Predict the splitting pattern you would observe for the proton at C3 of 2,3-dimethyl-2-phenylbutane.

Which one of the following compound is aromatic?

Compound X has a molecular formula C8H10 and gives the 1H NMR spectrum below. What is the structure of X?

Which of the following compounds will have odd m/z value for the molecular ion?

13C NMR is a technique in which the total number of signals represents the number of unique carbon atoms in a molecule. Propose a structure that is consistent with the following data. a) The IR includes peaks at 1603 and 1495 cm-1.b) The 13C NMR has a total of 7 signals.c) The compound has one acidic proton. 

Which of the molecules gives rise to a molecular ion with an odd value of m/z?

Which of the following is 3-phenylpentane?

How many peaks are in the proton spin decoupled 13C NMR spectrum of 1,3,5-trinitrobenzene?

Identify which one of the following isomers of C6H14 has the C-13 NMR below.