Strength of Acids and Bases
Chemistry ⇒ Acids, Bases, and Salts
Strength of Acids and Bases starts at 9 and continues till grade 12.
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See sample questions for grade 12
A solution has a pH of 12. Is it likely to be a strong acid, weak acid, strong base, or weak base?
A student adds equal concentrations of HCl and CH3COOH to water. Which solution will have a lower pH?
A student prepares two solutions: 0.1 M HCl and 0.1 M NH3. Which will have a higher concentration of ions?
Define the term 'acid dissociation constant' (Ka).
A 0.1 M solution of CH3COOH has a pH of about 3. Is acetic acid a strong or weak acid?
A solution has a pH of 12. Is it likely to be a strong acid, weak acid, strong base, or weak base?
A student adds equal concentrations of HCl and CH3COOH to water. Which solution will have a lower pH?
A student prepares two solutions: 0.1 M HCl and 0.1 M NH3. Which will have a higher concentration of ions?
A 0.1 M solution of HCl has a pH of approximately: (1) 1 (2) 7 (3) 13 (4) 3
The conjugate base of a strong acid is: (1) Strong (2) Weak (3) Neutral (4) Amphoteric
The pH of a 0.01 M HNO3 solution is: (1) 2 (2) 4 (3) 7 (4) 12
Which of the following acids is the weakest? (1) HNO3 (2) HCl (3) HF (4) HBr
Fill in the blank: A strong acid has a ______ conjugate base.
Fill in the blank: The Ka value of a strong acid is ______ than that of a weak acid.
Fill in the blank: The pH of a strong base is typically ______ than 7.
The strength of an acid is determined by its ability to ______ in water.
A 0.1 M solution of CH3COOH has a pH of about 3. Is acetic acid a strong or weak acid?
The Ka of acetic acid is 1.8 × 10-5. Is acetic acid a strong or weak acid?
True or False: A 0.01 M solution of a strong acid can have a lower pH than a 1 M solution of a weak acid.
True or False: A strong base completely dissociates in water.
