According to the given base definition, a base is a substance that

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Study for the IMAT Chemistry Exam. Access flashcards and multiple choice questions; hints and explanations included for each question. Prepare effectively for your exam.

Multiple Choice

According to the given base definition, a base is a substance that

Explanation:
The basic idea is that bases lower the hydrogen ion concentration in solution. They do this by accepting protons (Bronsted–Lowry bases) or by producing hydroxide ions that react with H+ to form water. Either way, the result is fewer free H+ ions, which means the solution becomes less acidic and pH rises. Donating protons would be the behavior of an acid, not a base. Increasing hydrogen ion concentration makes the solution more acidic, which is the opposite of what bases do. Litmus testing also aligns with this: acids turn litmus red, while bases generally leave litmus blue.

The basic idea is that bases lower the hydrogen ion concentration in solution. They do this by accepting protons (Bronsted–Lowry bases) or by producing hydroxide ions that react with H+ to form water. Either way, the result is fewer free H+ ions, which means the solution becomes less acidic and pH rises.

Donating protons would be the behavior of an acid, not a base. Increasing hydrogen ion concentration makes the solution more acidic, which is the opposite of what bases do. Litmus testing also aligns with this: acids turn litmus red, while bases generally leave litmus blue.

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