Allene, C₃H₄ (Shown Below), Is One Component of Gas Used

question 30

Multiple Choice

Allene, C₃H₄ (shown below) , is one component of gas used for high-temperature welding. According to the valence bond model, which is a proper description of the bonding on the central carbon atom in allene?

• A) It shares four bonds, two with each carbon atom on either side.
• B) It shares four σ bonds, two with each carbon atom on either side.
• C) It shares one σ bond and one bond with each carbon atom on either side.
• D) It shares two σ bonds with the carbon atom on the left, and two bonds with the carbon atom on the right.
• E) It shares two σ bonds with the carbon atom on the right, and two bonds with the carbon atom on the left.

Apply statistical methods to evaluate differences in opinions or behaviors between two groups.

Use interval estimates for hypothesis testing and interpretation of results.

Understand the significance of confidence levels in the context of statistical inference.

Analyze and interpret data from polls and studies on diverse topics.

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Definitions:

Ossicles

A set of three small bones in the middle ear that transmit sound vibrations from the eardrum to the inner ear.

Tectorial Membrane

The tectorial membrane is a structure located within the cochlea of the inner ear; it plays a critical role in the auditory system by interacting with hair cells to facilitate hearing.

Basilar Membrane

A narrow, membrane within the cochlea of the inner ear, playing an essential role in sound perception by vibrational frequency analysis.

Cochlea

A spiral-shaped, fluid-filled structure in the inner ear that is essential for converting sound waves into electrical signals that can be interpreted by the brain.