Which statement best describes the following pair of compounds? C4H6 and C6H12 A.) Circulated functional groups do not show absorption in the infrared spectrum because they have the same mass B.) The reduced mass of both compounds is the same so they do not absorb IR (infrared) energy. C.) The functional group specified in both compounds does not undergo changes in the dipole moment due to symmetry D.) Both represent an absorption band around 2000 cm ^ -1

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Q: (9) C2H4B1, 3 1 4 1 2.

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Q: C9H10O.

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