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QUESTION 6 Predict the IR absorption bands (peaks) observed in the spectrum of m-toluidine. sp3 C-H stretching (-2850-2960 cm-1) sp2 C-H stretching (-3000-3100 cm-1) Alcohol O-H stretch (-3300 cm1, 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 cm1) Aromatic C-C double bond stretches (-1500 and 1600 cm-1). Aromatic overtones (1667-2000 cm1) O O

QUESTION 6 Predict the IR absorption bands (peaks) observed in the spectrum of m-toluidine. sp3 C-H stretching (-2850-2960 cm-1) sp2 C-H stretching (-3000-3100 cm-1) Alcohol O-H stretch (-3300 cm1, 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 cm1) Aromatic C-C double bond stretches (-1500 and 1600 cm-1). Aromatic overtones (1667-2000 cm1) O O

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QUESTION 6 Predict the IR absorption bands (peaks) observed in the spectrum of m-toluidine. sp3 C-H stretching (-2850-2960 cm-1) sp2 C-H stretching (-3000-3100 cm-1) Alcohol O-H stretch (-3300 cm1, 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 cm1) Aromatic C-C double bond stretches (-1500 and 1600 cm-1). Aromatic overtones (1667-2000 cm1) O O
Transcribed Image Text:QUESTION 6 Predict the IR absorption bands (peaks) observed in the spectrum of m-toluidine. sp3 C-H stretching (-2850-2960 cm-1) sp2 C-H stretching (-3000-3100 cm-1) Alcohol O-H stretch (-3300 cm1, 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 cm1) Aromatic C-C double bond stretches (-1500 and 1600 cm-1). Aromatic overtones (1667-2000 cm1) O O
QUESTION 5 Predict the IR absorption bands (peaks) observed in the spectrum of alpha-methylstyrene. 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) 0-H stretch (-2500-3000 cm1, 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) O O O O O
Transcribed Image Text:QUESTION 5 Predict the IR absorption bands (peaks) observed in the spectrum of alpha-methylstyrene. 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) 0-H stretch (-2500-3000 cm1, 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) O O O O O
Expert Solution
Step 1

IR Spectrum helps to determine functional group.

m toluidine has aromatic group,-NH2 group, -CH3 group.

IR absorption band -

1.sp3 C-H stretching (2850-2960cm-1)

2. sp2 C-H Stretching (3000-3100cm-1)

3.Aromatic out of plane 1,3 meta  disubstitution -690 -750cm-1, 750-810 cm-1

4.N-H stretch (2 bends at 3400 cm-1)

5.N-H bend at 1600 cm-1

6.Aromatic C-C double bond 1500cm-1 to 1600cm-1

7.Arometic overtone 1667-2000 cm-1

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