Question

% Transmission % Transmission 0000 0000 0000 1000 cm 0OT c. 1:1 mixture of 2-heptanone : 2-heptanol 1000 cm 0002 000 000 0OT b. Pure 2-heptanol

Answer 1

2-heptanol is an aliphatic alcohol, hence we can expect sp3 alkane C-H stretch and C-H bending, O-H stretch as main functional groups regions.

whereas 2-heptanone is an aliphatic ketone,hence we can expect sp3 alkane C-H stretch and C-H bending, C=O stretch as main functional groups regions.

I am gonna draw them on your provided spectrum by hand in paint program.

O-H stretch region 3200-3600 cm-1, strong & broad

C-H stretch region 2850-3000 cm-1, strong

C=O stretch region 1705-1725 cm-1, strong

C-H bending region 1350-1480 cm-1, medium

b. Pure 2-heptanol 100 % Transmission C-H bending SO-H stretch C-H stretch 3000 2000 4000 1000 cm-1 c. 1:1 mixture of 2-heptanone : 2-heptanol 100 % Transmission C-H bending SO-H stretch C-H stretch UCEO stretch 2000 1000 cm 4000 3000

Hope this helped you!

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