An Unknown Compound a Has the Molecular Formula C₁₂H₁₆O

question 10

Multiple Choice

An unknown compound A has the molecular formula C₁₂H₁₆O.Compound A absorbs strongly in the IR at 1700 cm^-1.The NMR spectral data for compound A are given below.What is the structure of compound A?

• A)I
• B)II
• C)III
• D)IV

---

Definitions:

Degrees Of Freedom

The number of values in a statistical calculation that are free to vary.

Poisson Distribution

A probability distribution that models the number of times an event occurs in a fixed interval of time or space.

Null Hypothesis

A null hypothesis is a default position that there is no relationship between two measured phenomena or no difference among groups being compared in a statistical hypothesis test.

Expected Number

The predicted count or quantity based on probability calculations, often used in statistical analysis and planning.