Among the compounds given in the options A-D,the one that exhibits a sharp band

Question

Among the compounds given in the options A-D,the one that exhibits a sharp band at around 3300 cm“1 in the IR spectrum is

Options:

A . 1,2-butadiene

B . 1,3-butadiene

C . 1-butyne

D . 2-butyne

Answer: Option C

-NA-

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