Explain the following observations: (a) NH3 contains no

Chapter 4, Problem 32E

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QUESTION:

Problem 32E

Explain the following observations: (a) NH3 contains no OH– ions, and yet its aqueous solutions are basic; (b) HF is called a weak acid, and yet it is very reactive; (c) although sulfuric acid is a strong electrolyte, an aqueous solution of H2SO4 contains more HSO4– ions than SO42– ions.

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QUESTION:

Problem 32E

Explain the following observations: (a) NH3 contains no OH– ions, and yet its aqueous solutions are basic; (b) HF is called a weak acid, and yet it is very reactive; (c) although sulfuric acid is a strong electrolyte, an aqueous solution of H2SO4 contains more HSO4– ions than SO42– ions.

ANSWER:


(a) When NH3 interacts with water, it produces ammonium (NH4+) and hydroxide (OH-) ions due to its polar nature. The OH- ions will react with the H+ ions in the water to form H2O molecules, meaning that the overall solution will be basic.

(b) HF is called a

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