Problem: One of the following compounds is responsible for the IR spectrum shown. Choose the structure of the responsible compound.A. B. C. D. E.

FREE Expert Solution

Characteristic IR spectrum values:

  • Amines(N-H stretch) → 3550 – 3250 cm-1
    • Primary (2 bands) 
    • Secondary (1 band)
  • Ketones (C=O stretch) → 1750 – 1680 cm-1
  • Alcohol (OH stretch) → 3550 – 3200 cm-1
  • Carboxylic Acids
    • OH stretch → 3200 – 2500 cm-1
    • C=O stretch→ 1725 – 1700 cm-1
  • Alkenes (C=C stretch)  → 1680-1620 cm-1
  • Nitriles (C≡N stretch) → 2280 – 2200 cm-1
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Problem Details

One of the following compounds is responsible for the IR spectrum shown. Choose the structure of the responsible compound.

A.

B.

C.

D.

E.

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