Where Is the Carbonyl Absorption Found in the IR Spectrum

question 32

Multiple Choice

Where is the carbonyl absorption found in the IR spectrum of a simple ester?

• A)2)5 ppm
• B)2250 cm^-1
• C)3800 cm^-1
• D)1740 cm^-1

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Definitions:

Dependent Variable

The variable in an experiment or model that is expected to change in response to changes in the independent variable.

Stepwise Regression

A method of fitting regression models in which the choice of predictive variables is carried out by an automatic procedure.

F-statistic

A ratio used in statistical analysis to determine the significance of a group of variables in a regression model.

F-to-enter

A criterion used in statistical analysis to decide when a variable should be added to a regression model based on the F-statistic value.