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Predict the IR absorption bands (peaks) observed in the spectrum of p-anisaldehyde.

Predict the IR absorption bands (peaks) observed in the spectrum of p-anisaldehyde.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**QUESTION 1** Predict the IR absorption bands (peaks) observed in the spectrum of *p*-anisaldehyde. - □ sp³ C-H stretching (~2850-2960 cm⁻¹) - □ sp² C-H stretching (~3000-3100 cm⁻¹) - □ Alcohol O-H stretch (~3300 cm⁻¹, broad) - □ C=O double bond stretch (~1700 cm⁻¹) - □ Aromatic out of plane bend for monosubstitution (690-710 and 730-770 cm⁻¹) - □ Aromatic out of plane bend for para (1,4) disubstitution (810-840 cm⁻¹) - □ Aromatic out of plane bend for meta (1,3) disubstitution (690-750 and 750-810 cm⁻¹) - □ Aldehyde C-H stretch (2750 and 2850 cm⁻¹) - □ Carboxylic acid (carboxy group) O-H stretch (~2500-3000 cm⁻¹, broad) - □ N-H stretch (2 bands at ~3400 cm⁻¹) - □ N-H bend (~1600 cm⁻¹) - □ Aromatic C=C double bond stretches (~1500 and 1600 cm⁻¹) - □ Aromatic overtones (1667-2000 cm⁻¹)
Transcribed Image Text:**QUESTION 1** Predict the IR absorption bands (peaks) observed in the spectrum of *p*-anisaldehyde. - □ sp³ C-H stretching (~2850-2960 cm⁻¹) - □ sp² C-H stretching (~3000-3100 cm⁻¹) - □ Alcohol O-H stretch (~3300 cm⁻¹, broad) - □ C=O double bond stretch (~1700 cm⁻¹) - □ Aromatic out of plane bend for monosubstitution (690-710 and 730-770 cm⁻¹) - □ Aromatic out of plane bend for para (1,4) disubstitution (810-840 cm⁻¹) - □ Aromatic out of plane bend for meta (1,3) disubstitution (690-750 and 750-810 cm⁻¹) - □ Aldehyde C-H stretch (2750 and 2850 cm⁻¹) - □ Carboxylic acid (carboxy group) O-H stretch (~2500-3000 cm⁻¹, broad) - □ N-H stretch (2 bands at ~3400 cm⁻¹) - □ N-H bend (~1600 cm⁻¹) - □ Aromatic C=C double bond stretches (~1500 and 1600 cm⁻¹) - □ Aromatic overtones (1667-2000 cm⁻¹)
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