The VSEPR Model Predicts the H-B-H Bond Angle in BH₃

question 199

Multiple Choice

The VSEPR model predicts the H-B-H bond angle in BH₃ to be

• A)90°.
• B)109.5°.
• C)less than 120° but greater than 109.5°.
• D)120°.

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Definitions:

Acetic Acid

A weak organic acid with the formula CH3COOH, known for being the main component of vinegar.

Propanenitrile

An organic compound with the formula CH3CH2CN, also known as ethyl cyanide, a colorless liquid used as a solvent and in organic synthesis.

Boiling Point

The temperature at which a liquid's vapor pressure equals the external pressure surrounding the liquid, causing it to turn into a vapor.

Propanamide

An organic compound consisting of a propyl chain attached to a nitrogen atom of an amide group.