Rank These Carbonyl Compounds in Order of Increasing C=O Stretching

question 59

Multiple Choice

Rank these carbonyl compounds in order of increasing C=O stretching frequency in their IR spectra:

• A) I< II < III < IV
• B)I< IV < II < III
• C)I < II < IV < III
• D)III < II < IV < I
• E)IV < I < II < III

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