At what approximate positions might this compound show IR absorptions? Consult t

Question

At what approximate positions might this compound show IR absorptions? Consult the table given above; there must be an exact match of groups with the absorptions There are occasional overlaps between absorptions in the table, be sure that the group is actually present in the molecule Esters and alcohols both show similar C-O stretching vibrations Enter your choices as an alphabetized string of letters, with no spaces Table of IR Absorptions a. 2850-2960 b. 3020-3100 c. 1640-1680 d. 3300 e. 2100-2260 f. 600-800 g. 500-600 h. 3400-3650 i. 1050-1150 j. 1450-1600 k. 3300-3500 . 1030-1230 m. 1670-1780 n. 2500-3100 o. 2210-2260

Explanation / Answer

The compound shows IR absorption peaks at positions abc.

Explanation: The compound contains C=C bond which appear at 1640-1680 cm-1, =C-H which appear at 3020-3100 cm-1 and -C-H bonds which appear at 2850-2960 cm-1.

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