Which Molecule Below Has Two Significant Bands in the IR

question 47

Multiple Choice

Which molecule below has two significant bands in the IR at 2720 cm^-1 and 2820 cm^-1 (medium) ?

• A)CH₃COCH₂CH
• B)CH₃CH₂CO₂CH₃
• C)CH₂ CHCH₂CH₃
• D)CH₃CH₂CH₂CHO
• E)CH₃CH₂CH₂OH

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Definitions:

Prevalence

The measure of the proportion of a population found to have a condition (typically a disease or disorder) at a specific time.

Cognitive-behavioral Therapy

A therapeutic approach that aims to change negative patterns of thinking or behavior that contribute to individuals' psychological distress.

Pessimism

An inclination to focus on the most negative aspects or to anticipate unfavorable outcomes, showing a deficiency in hopefulness or trust in what the future holds.