Any substance added to water that increases a hydronium concentration

Asked by admin @ 26/11/2021 in Chemistry viewed by 253 People

TRUE OR FALSE

1. The hydrogen ion and the hydronium ion can be used interchangeably in a chemical equation to represent a hydrogen ion in aqueous solutions.
2. The Bronsted-Lowry model says that an acid is a hydrogen-ion acceptor.
3. The pH scale go from 1 to 15
4. An acidic solution contains more hydrogen ions than hydroxide ions.
5. NaOH is a base
6. Acids and bases are good conductors.
7. Lemon soda has a low pH, therefore is classified as a base.
8. The Arrhenius model states that an acid is a substance that contains hydrogen ions and ionizes to produce hydrogen ions in aqueous solution.
9. Acids taste bitter.
10. In the self-ionization of water, hydronium and hydroxide are the two ions produced.
11. A substance with a pH of 3 is an acid.
12. If you add the pH to the pOH the answer is 14.
13. HCl is hydrochloride acid.
14. The pOH is higher than 8 for acids.
15. Bases react with metals to produce hydrogen gas.
16. Monoprotic ions donate more than one hydrogen ion.
17. The pH is the negative logarithm of the hydrogen ion concentration.

Answered by admin @ 26/11/2021

Answer:

1. True

2. False

3.False

4.True

5. True

6. True

7.False

8.True

9. False

10. True

11. True

12. True

13. False

14. True

15. True

16. False

17.True

Explanation:

1. True. In chemical equations the OH ion is used to denote hygrogen in its aqueous state. Also, the H can be used for this as well

2. False. The Bronsted-Lowry model says that an acid is a hydrogen-ion donor.

3.False. The pH scale go from 1 to 14

4.True. An acidic solution is a solution that contains more of hydrogen ions than hydroxide ions

5. True. Sodium Hydroxide is a base because of its OH group present.

6. True. Both acids and bases are good conductors because they can easily dissociate to release their H and OH ion in a solution.

7.False. Lemon has a low pH. This makes it an ACID

8.True. This is the Arrhenius model

9. False. Acids taste sour while bases taste bitter

10. True. Water can only produce H and OH ions during self ionization.

11. True. Substances with pH values 1-6 are acids

12. True. percent Hydrogen and p Hydroxide ions add up to 14.

13. False. HCL is Hydrochloric Acid

14. True. The additive inverse of pH is the pOH. Acids have low pH and hence high pOH values.

15. True. Both acids and bases react with metals to liberate hydrogen gas.

16. False. Monoprotic ions only donate one hydrogen ion.

17.True. The pH is defined mathematically as the negative logarithm of the hydrogen ion concentration

Any substance added to water that increases a hydronium concentration

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