DP Chemistry Questionbank
8.4 Strong and weak acids and bases
Description
[N/A]Directly related questions
- 18M.2.sl.TZ2.2b.ii: State and explain the effect on the rate of reaction if ethanoic acid of the same concentration...
- 18M.1.sl.TZ2.20: Which statement is correct? A. A strong acid is a good proton donor and has a strong...
- 18M.2.sl.TZ1.5a: Predict, giving a reason, a difference between the reactions of the same concentrations of...
- 18M.2.hl.TZ1.5a: Predict, giving a reason, a difference between the reactions of the same concentrations of...
- 17N.2.hl.TZ0.1e: Suggest why the enthalpy change of neutralization of CH3COOH is less negative than that of HCl.
- 17M.3.hl.TZ2.4a: Identify the other product formed.
- 17M.3.sl.TZ2.14b.ii: Describe how large amounts of CO2 could reduce the pH of the ocean using an equation to support...
- 17M.3.sl.TZ2.14b.i: Oceans can act as a carbon sink, removing some CO2(g) from the atmosphere. CO2(g)...
- 17M.2.hl.TZ2.8b.v: State a technique other than a pH titration that can be used to detect the equivalence point.
- 17M.2.sl.TZ1.4d: Outline, using an ionic equation, what is observed when magnesium powder is added to a solution...
- 17M.2.sl.TZ1.4c: Hydrazine reacts with water in a similar way to ammonia. Deduce an equation for the reaction of...
- 17M.1.sl.TZ1.20: Which 1.0 mol\(\,\)dm–3 solution has the highest pH? A. Ammonium chloride B. Sulfuric...
- 16N.2.sl.TZ0.2a: Distinguish between a weak acid and a strong acid. Weak acid: Strong acid:
- 16M.2.sl.TZ0.2b: (i) State the equation for the reaction of this oxide of phosphorus with water. (ii) Predict how...
- 16M.1.hl.TZ0.27: Aqueous solutions of a weak acid and a...
- 15M.2.hl.TZ1.8a: (i) Outline the difference in dissociation between strong and weak acids of the same...
- 15M.1.sl.TZ1.22: Which compound is a strong acid? A. \({\text{N}}{{\text{H}}_{\text{3}}}\) B. ...
- 15M.2.sl.TZ1.6d: Describe three tests that can be carried out in the laboratory, and the expected results, to...
- 15M.2.sl.TZ2.5f.iv: Outline an experiment and its results which could be used to distinguish between a strong base...
- 14M.2.hl.TZ1.8a: Outline how electrical conductivity can be used to distinguish between a...
- 14M.2.hl.TZ2.5b.i: Chloric(I) acid is a weak acid, but hydrochloric acid is a strong acid. Outline how this is...
- 14M.2.hl.TZ2.5b.ii: State a balanced equation for the reaction of chloric(I) acid with water.
- 14M.2.hl.TZ2.5b.iii: Outline, in terms of the equilibrium in aqueous chlorine, why it is dangerous to use an acidic...
- 14M.2.hl.TZ2.5b.iv: Suggest why a covalent molecule, such as chloric(I) acid, is readily soluble in water.
- 14M.2.sl.TZ1.7a: Outline how electrical conductivity can be used to distinguish between a...
- 14M.2.sl.TZ2.4c.i: Chloric(I) acid is a weak acid, but hydrochloric acid is a strong acid. Outline how this is...
- 14M.2.sl.TZ2.4c.ii: State a balanced equation for the reaction of chloric(I) acid with water.
- 14M.2.sl.TZ2.4c.iii: Outline, in terms of the equilibrium above, why it is dangerous to use an acidic toilet cleaner...
- 14M.2.sl.TZ2.4c.iv: Suggest why a covalent molecule, such as chloric(I) acid, is readily soluble in water.
- 14N.1.sl.TZ0.22: A student adds 0.3 g of magnesium metal to equal volumes of hydrochloric acid and ethanoic acid...
- 14N.3.sl.TZ0.26a.ii: State and explain how the presence of a halogen substituent might affect the acidity of...
- 13N.1.hl.TZ0.26: Which group of three compounds contains only weak acids and bases?
- 13N.1.hl.TZ0.28: The table below shows data for the \({{K_{\text{a}}}}\) and \({{\text{p}}{K_{\text{b}}}}\) values...
- 13N.2.hl.TZ0.7d.iii: Neelu and Charles decided to compare the volume of sodium hydroxide solution needed with those...
- 13N.2.sl.TZ0.5c.ii: Distinguish between the terms strong acid and weak acid.
- 13N.1.sl.TZ0.22: Which group of three compounds contains only weak acids and bases?
- 13N.2.sl.TZ0.5c.v: State a suitable choice for both the strong acid and the weak acid. Strong acid: Weak acid:
- 13N.2.sl.TZ0.5c.vi: Francisco and Shamiso decided to measure the pH of the initial solution, HQ, and they found that...
- 13N.2.sl.TZ0.5c.vii: Suggest a method, other than those mentioned above, that could be used to solve the problem and...
- 13M.1.sl.TZ1.22: A solution of acid HX has a pH = 1 and a solution of acid HY has a pH = 3. Which statement must...
- 13M.2.sl.TZ1.1d: A solution of HA is a weak acid. Distinguish between a weak acid and a strong acid.
- 13M.2.sl.TZ1.1e: Describe an experiment, other than measuring the pH, to distinguish HA from a strong acid of the...
- 13M.2.hl.TZ2.6b.ii: Ethanoic acid is an example of a weak acid. Distinguish between a strong acid and a weak acid in...
- 13M.2.hl.TZ2.1h.i: Following the experiment, the students proposed the following hypothesis: “Since sulfuric acid...
- 13M.2.hl.TZ2.1h.ii: The students also explored the role of sulfuric acid in everyday processes and found that...
- 13M.2.hl.TZ2.7e.ii: State why dilute sulfuric acid needs to be added in order for the current to flow in the...
- 13M.1.sl.TZ2.21: Which list contains only strong bases? A. ammonia, sodium hydroxide, ethylamine B. ...
- 13M.1.sl.TZ2.22: Which products would be formed when hydrochloric acid reacts with magnesium oxide? A. ...
- 12N.1.hl.TZ0.28: Which salts will dissolve in water to give solutions with a pH above 7? I. ...
- 12N.1.sl.TZ0.22: Which row correctly describes...
- 12N.2.sl.TZ0.5b.iv: Distinguish between a strong acid and a weak acid in terms of their dissociation in aqueous...
- 10N.2.hl.TZ0.6b: (i) Distinguish between the terms strong and weak acid and state the equations used to show...
- 10N.2.hl.TZ0.6d: (i) Calculate the volume of the sodium hydroxide solution required to react exactly with a...
- 10N.1.sl.TZ0.22: A solution of acid A has a pH of 1 and a solution of acid B has a pH of 2. Which statement must...
- 10N.2.sl.TZ0.6e: (i) Calculate the volume of the sodium hydroxide solution required to react exactly with a...
- 10N.2.sl.TZ0.6c: The nitrite ion is present in nitrous acid, HNO2, which is a weak acid. The nitrate ion is...
- 10N.2.sl.TZ0.6f: The graph below shows how the conductivity of the two acids changes with...
- 09N.2.sl.TZ0.6a.iii: In reactions A and B, identify the stronger acid, \({\text{NH}}_4^ + \) or...
- 09N.2.sl.TZ0.6a.ii: In reaction B, identify the stronger base, \({\text{NH}}_2^ - \) or...
- 09N.2.sl.TZ0.6b: Describe two different experimental methods to distinguish between aqueous solutions of a strong...
- 10M.2.hl.TZ2.7a: (i) State the expression for the ionic product constant of water, \({K_{\text{w}}}\). (ii) ...
- 10M.1.sl.TZ2.23: Which of the following are weak acids in aqueous solution? I. ...
- 10M.2.sl.TZ2.6a: (i) State the equilibrium constant expression for the dissociation of water. (ii) ...
- 09M.1.sl.TZ1.23: When equal volumes of four \({\text{0.1 mol}}\,{\text{d}}{{\text{m}}^{ - 3}}\) solutions are...
- 09M.2.sl.TZ1.6d.ii: Vinegar, which contains ethanoic acid, can be used to clean deposits of calcium carbonate from...
- 09M.1.sl.TZ1.22: For equal volumes of \({\text{1.0 mol}}\,{\text{d}}{{\text{m}}^{ - 3}}\) solutions of...
- 09M.2.sl.TZ1.6d.i: Define the term weak acid and state the equation for the reaction of ethanoic acid with water.
- 09M.2.sl.TZ2.2c: Suggest one method, other than measuring pH, which could be used to distinguish between solutions...
- 09M.1.sl.TZ2.23: An example of a strong acid solution is perchloric acid, \({\text{HCl}}{{\text{O}}_{\text{4}}}\),...
- 09M.1.sl.TZ2.22: Which list contains only strong acids? A. ...
- 11M.2.hl.TZ1.8a.i: Define the terms acid and base according to the Brønsted-Lowry theory. Distinguish between a weak...
- 11M.2.sl.TZ1.5c.ii: Describe two different methods, one chemical and one physical, other than measuring the pH, that...
- 11M.2.sl.TZ1.5c.i: Define the terms acid and base according to the Brønsted-Lowry theory and state one example of a...
- 11M.1.sl.TZ2.21: Which \({\text{0.10 mol}}\,{\text{d}}{{\text{m}}^{ - 3}}\) solution would have the highest...
- 11M.2.sl.TZ2.5a.iv: Describe two different properties that could be used to distinguish between a...
- 12M.2.sl.TZ2.6c: (i) When ammonium chloride, \({\text{N}}{{\text{H}}_{\text{4}}}{\text{Cl(aq)}}\), is added to...
- 12M.2.sl.TZ2.6a: Distinguish between the terms strong base and weak base, and state one example of each.
- 11N.2.sl.TZ0.7b.iii: Z is an example of a weak acid. State what is meant by the term weak acid.
