Which of the Molecules Below Is an Ester

question 32

Multiple Choice

Which of the molecules below is an ester?

• A) CH₃CH₂CH(CH₃)₂
• B) CH₃OCH₂CH₂CH₃
• C) CH₃COOH
• D) CH₃COOCH₃
• E) HC≡CCH₃

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Definitions:

Positive Romberg

A neurological test result indicating a loss of balance when the eyes are closed, suggesting issues with proprioception or the inner ear.

Ataxia

A neurological sign consisting of lack of voluntary coordination of muscle movements that can include gait abnormality, speech changes, and abnormalities in eye movements.

Homan Sign

A clinical sign often used in the diagnosis of deep vein thrombosis (DVT), identified by pain in the calf or popliteal region upon dorsiflexion of the patient's foot.

High Pitched

High pitched describes sounds that are at the upper end of the audible spectrum, characterized by a high frequency.