Question 3 (2 points) 1) Listen Which compound does the following IR spectrum belong to? (Hint: pay close attention to O-H, C=O, and spC-H, and sp3C-H regions.) 0.8 0.6 TRANSMITTANCE 0.4 0.2 3000 1000 2000 Wavenumber (cm-1) benzophenone triphenylmethanol ojo
benzophenone OH triphenylmethanol OH O 2-propanol acetone
Question 4 (2 points) 1) Listen Examine the following combinations of the functional group (bond) and the wavenumber region. Which one is INCORRECT? aromatic C-H (sp?C-H), 3000-2850 cm-1 O Alcohol O-H, 3600-3400 cm-1 1 O - aliphatic C-H (sp?C-H), 3000-2850 cm-1 O Ketone C=O, 1740-1680 cm 1 Carboxylic acid O-H, 3300-2500 cm-1
Question 3 (2 points) 1) Listen Which compound does the following IR spectrum belong to? (Hint: pay close attention to O
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