Il 15 points Match the five IR spectra below the spectrum nu

Il (15 points) Match the five IR spectra below the spectrum number in the appropriate space. with the corresponding compounds in the table. Indicate your answer by placing Spectrum3 4-bromobenzyl alcohol 2-chlorobenzadehyde 2953 styrene 1604 OCHs 1732 1500 15 Spectrum 1 Spectrum4 2605 3240 1596 3013 3359 1662 1613 3000 1500 1000 500 4000 3000 1500 1000 cm1 Spectrum 2 Spectrum 5 2851 2888 +2980 3082 1495 1703 1594 1630 2000 1500 1000 1000 500 4000 20001 1500

Solution

Your answer is wrong.

4-bromobenzyl alcohol - 4

The peak at 3359 cm^-1 corresponds to the H-bonded O-H stretch. The peak at 1604 cm^-1 is of aromatic C=C stretch.

2-chlorobenzaldehyde - 5

The peaks at 2868 and 2851 cm^-1 is is due the O=C -H stretch. C=O stretch at 1703 cm^-1.

Styrene - 2

The peak at 3082 cm^-1 is that of aromatic C-H stretch. The peak at 2980 cm^-1 corresponds to alkene C=C-H stretch. The peak at 1630 cm^-1 arises because of alkene C=C stretch.

Methyl-4-bromobenzoate - 3

The peak at 2953 cm^-1 is that of alkane C-H stretch. 1732 cm^-1 corresponds to C=O stretch.

Salicylic acid -1

The peak at 2500-3500 cm^-1 is because of H-bonded O-H stretch. The peak at 3013 cm^-1 is of aromatic C-H stretch. The peak at 1662 cm^-1 is of C=O stretch.