Cyanide Ion, CN⁻, Is a Stronger Base Than Ammonia, NH₃

question 41

Multiple Choice

Cyanide ion, CN⁻, is a stronger base than ammonia, NH₃. Which of the following represents the correct set of species that are present in the solution in the largest amounts when ammonia (NH₃) reacts with hydrocyanic acid (HCN) ?

• A) hydrocyanic acid, HCN, and ammonia, NH₃
• B) hydrocyanic acid, HCN, and ammonium ion, NH₄⁺
• C) cyanide ion, CN⁻, and ammonia, NH₃
• D) cyanide ion, CN⁻, and ammonium ion, NH₄⁺

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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 given price level in a given time period.

Total Revenue

The total amount of money generated by the sale of goods or services before any expenses are subtracted.

Inelastic Portion

Part of the demand curve where consumers are less sensitive to price changes, meaning that the quantity demanded changes little with a significant price change.

Price Elasticity

The determination of demand elasticity for a product relative to changes in its price.