1. Aqueous solutions of acids are (electrolytes, nonelectrolytes), meaning that they conduct an electrical current. Some acids are (weak, strong) electrolytes because they ionize completely in water, yielding a great many ions. Other acids are (strong, weak) electrolytes that exist primarily in a non-ionized form when dissolved in water. 2. Acids have a (sour, bitter) taste. Lemons, vinegar, and sour candies all contain acids. 3. Acids change the color of certain acid-base indicators. Two common indicators are litmus and phenolphthalein. Blue litmus turns (red, blue, colorless) in the presence of an acid, while phenolphthalein turns (colorless, red, blue).
1. Aqueous solutions of acids are (electrolytes, nonelectrolytes), meaning that they conduct an electrical current. Some acids are (weak, strong) electrolytes because they ionize completely in water, yielding a great many ions. Other acids are (strong, weak) electrolytes that exist primarily in a non-ionized form when dissolved in water. 2. Acids have a (sour, bitter) taste. Lemons, vinegar, and sour candies all contain acids. 3. Acids change the color of certain acid-base indicators. Two common indicators are litmus and phenolphthalein. Blue litmus turns (red, blue, colorless) in the presence of an acid, while phenolphthalein turns (colorless, red, blue).
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter7: Reactions In Aqueous Solutions
Section: Chapter Questions
Problem 2ALQ: ssume a highly magnified view of a solution of HCI that allows you to “see” the HCl. Draw this...
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Question
Transcribed Image Text:C: Properties of Acid and Base
Direction: Complete the statement by underlining the correct term in the parenthesis.
Write your answer on a separate sheet of paper.
1. Aqueous solutions of acids are (electrolytes, nonelectrolytes), meaning that they
conduct an electrical current. Some acids are (weak, strong) electrolytes because
they ionize completely in water, yielding a great many ions. Other acids are (strong,
weak) electrolytes that exist primarily in a non-ionized form when dissolved in water.
2. Acids have a (sour, bitter) taste. Lemons, vinegar, and sour candies all contain
acids.
3. Acids change the color of certain acid-base indicators. Two common indicators are
litmus and phenolphthalein. Blue litmus turns (red, blue, colorless) in the presence
of an acid, while phenolphthalein turns (colorless, red, blue).
4. Aqueous solutions of bases are also (electrolytes, nonelectrolytes). Bases can be
either strong or weak, just as acids can.
5. Bases often have a (sour, bitter) taste and are found in foods less frequently than
acids. Many bases, like soaps, are slippery to the touch.
6. Bases also change the color of indicators. Litmus turns (red, blue, colorless) in the
presence of a base, while phenolphthalein turns, (pink, red, blue)
7. Bases do not react with (metals, nonmetals) in the way that acids do.
8. Bases react with (acids, H,O) to produce salt and water.
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