Which of the Following Is a Correct Prediction of the Chemical

question 26

Multiple Choice

Which of the following is a correct prediction of the chemical shifts for the signals in the ¹H NMR spectrum for the following compound?

• A)I=0.9 ppm,II=2.7 ppm,III=1.2 ppm,IV=0.9 ppm
• B)I=1.1 ppm,II=3.2 ppm,III=1.4 ppm,IV=0.9 ppm
• C)I=0.9 ppm,II=1.7 ppm,III=1.2 ppm,IV=1.1 ppm
• D)I=0.9 ppm,II=1.9 ppm,III=3.4 ppm,IV=0.9 ppm
• E)none of these

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Definitions:

Vesicle

A small fluid-filled bladder or sac within the body or on its surface, often referring to structures in cell biology or dermatology.

Entropion

A medical condition in which the eyelid folds inward, causing irritation and discomfort due to eyelashes rubbing against the eye.

Ectropion

A medical condition where the lower eyelid turns outward, exposing the inner surface.

Exophthalmos

A condition where the eyeballs protrude beyond their normal position in the sockets, often associated with thyroid disease.