Which of the Following Statements Is Not True About Propyne,HC

question 48

Multiple Choice

Which of the following statements is not true about propyne,HC C-CH₃?

• A)It contains six sigma bonds.
• B)It contains three pi bonds.
• C)The H-C-H bond angle is about 109.5°.
• D)The C-C-C bond angle is 180°.
• E)The pi bond is weaker than the sigma bond.

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Definitions:

Excessive Sleep

A condition characterized by sleeping for extended hours, typically more than what is considered necessary for normal functioning, which can indicate underlying health issues.

Hypersomnolence Disorder

A sleep disorder characterized by excessive sleepiness despite adequate or prolonged nighttime sleep, often resulting in significant distress or impairment in daytime functioning.

Mood Disorders

A category of psychiatric disorders characterized by persistent disturbances in mood or emotional tone.

Prevalence

Proportion of the population who have a specific disorder at a given point or period in time.