Which Molecule or Ion Has a Trigonal Planar Molecular Geometry

question 55

Multiple Choice

Which molecule or ion has a trigonal planar molecular geometry?

• A)PCl₃
• B)HCN
• C)CO₃^2-
• D)HCCH
• E)AsF₃

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Definitions:

Quantity Demanded

The total amount of a good or service that consumers are willing and able to purchase at a specific price level in a given period.

Normal Good

A normal good is one whose demand increases as consumer income rises and decreases when consumer income falls, holding other factors constant.

Inferior Good

A type of good for which demand decreases as the income of consumers increases, opposite to normal goods.

Complements

Complements are goods or services that are used together, so that the consumption or use of one increases the demand for the other.