Separation of a Mixture by Extraction The neutral compound may be a hydrocarbon,

Question

Separation of a Mixture by Extraction

The neutral compound may be a hydrocarbon, an alcohol, or a ketone; some of the neutral compounds contain a phenyl group (benzene ring) while others contain no C=C bonds. Use the IR spectrum of your unknown to characterize the neutral compound as follows:

Class of Compound (Hydrocarbon, Alcohol, or Ketone):

Phenyl Group in Compound (Yes or No):

An explanation of how you determine these would also be helpful!

Explanation / Answer

After observiing the IR spectrum The compound is not alcohol because no broad signal above 3000 cm-.

The compound is not keto because no carbonyl streching frequency between 1700-1650 cm-.

The compound ortho substituted benzene derivative. A signal around 750 cm-

Remaining 3100-3000 cm- =C-H strecthing frequency, skeleteon vibrations around 1500-1400 cm-.

Conclusion is orhto substituted phenyl derivative

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