For Each of the Compounds Below Tell How Many Signals

question 39

Multiple Choice

For each of the compounds below tell how many signals you would expect the molecule to have in its normal, broadband decoupled ¹³C NMR spectra.
-Which of the following would produce only singlets in an ¹H NMR spectrum? A B C D ​

• A) A
• B) B
• C) C
• D) D
• E) all of these produce only singlets

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Definitions:

Transformed Into Outputs

The process of converting inputs such as raw materials, labor, and energy into finished goods or services.

Quantitative Measure

Numerical indicators used to evaluate, compare, or track performance or production.

Productivity

The measure of the effectiveness of a production system, usually quantified as the ratio of output to input over a specific period.

Efficiency

The ratio of useful output to total input, highlighting the effectiveness of a process, system, or organization in utilizing resources.