Consider the Expected ¹H NMR Spectrum of 1,1,3,3-Tetramethylcyclopentane

question 70

Multiple Choice

Consider the expected ¹H NMR spectrum of 1,1,3,3-tetramethylcyclopentane.Which of the following is likely to be observed?

• A)7 signals: all singlets
• B)7 signals: 4 singlets,3 doublets
• C)3 signals: all singlets
• D)3 signals: one singlet,2 doublets
• E)3 signals: two singlets,one doublet

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Definitions:

Infraspinatus

A muscle located on the back of the shoulder blade that is responsible for the external rotation of the shoulder joint.

Deltoid Group

A group of muscles in the shoulder responsible for arm abduction, flexion, extension, and rotation.

Trapezius Group

A large muscle group in the back that is responsible for moving, rotating, and stabilizing the scapula and extending the neck.

Dorsal Surface

The dorsal surface refers to the back side of an organism or the upper side of body parts that lie horizontally.