Q:

What is a monoacidic base?

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Quick Answer

According to Dictionary.com, a monoacidic base is a base that when dissolved in water produces one hydroxide ion or OH-, per molecule. In other words, a monoacidic base divides itself into two main components or molecules after reacting with water. One of the molecules is always a hydroxide ion and based on the definition of a monoacidic base, only one hydroxide ion is present.

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Full Answer

According to Purdue, the general term "base" refers to any substance that donates a pair of nonbinding electrons to release a hydroxide ion into a solution. Mono is derived from the Greek word “monos,” which means single or alone. Together, the words “mono” and “base” imply that monoacidic base means “one base" or a base with a single hydroxide ion.

Sodium hydroxide, or NAOH, is an example of a monoacidic base. When sodium hydroxide reacts with water, it dissociates into sodium and hydroxide. The equation is written as follows: NaOH (s) ? Na+ (aq) + OH- (aq). NAOH is a strong base because when the hydroxide ion is liberated from water, it causes the solution to splatter or boil. Some monoacidic bases, such as sodium hydroxide, produce an exothermic or heat-generating reaction, when they react with water. Sodium hydroxide, which is also known as lye, is a caustic base that is used to make soap.

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