Free Salts and Hydrolysis MCQs with Answers
11 Salts and Hydrolysis MCQs from Chemistry, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Salt hydrolysis explains how ions from weak acids or weak bases react with water and affect the pH of a solution. The content covers acidic, basic and neutral salts, hydrolysis equations, Ka, Kb and Kw relationships, degree of hydrolysis and buffer connections, distinguishing hydrolysis from simple acid-base neutralisation.
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11. The number of ejected photoelectrons increases with increase. is strong electrolyte?
- A. Ca(OH)2
- B. SiCl4
- C. KCl
- D. SrCl2
Explanation: KCl is a strong electrolyte because it fully dissociates into ions (K+ and Cl-) in water, allowing efficient conduction of electricity. Ca(OH)2 is a weak base and weak electrolyte, which means it does not fully dissociate into ions. SiCl4 does not dissociate at all in water, making it a non-electrolyte. SrCl2 was incorrectly described; it is a strong electrolyte as it also fully dissociates in solution.
Correct answer: KCl