Which of the following phenomena occur, when a small amount of acid is added to water?(i) Ionisation(ii) Neutralisation(iii) Dilution(iv) Salt formation(a) (i) and (iii)(b) (i) and (ii)(c) (ii) and (iv)(d) (ii) and (iii)
Question
Which of the following phenomena occur, when a small amount of acid is added to water?(i) Ionisation(ii) Neutralisation(iii) Dilution(iv) Salt formation(a) (i) and (iii)(b) (i) and (ii)(c) (ii) and (iv)(d) (ii) and (iii)
Solution
When a small amount of acid is added to water, the following phenomena occur:
(i) Ionisation: This is the process where the acid molecules break down into ions. For example, when hydrochloric acid (HCl) is added to water, it ionises to form hydrogen ions (H+) and chloride ions (Cl-).
(iii) Dilution: This is the process of reducing the concentration of the acid by adding it to water. The acid becomes less concentrated, or diluted, as more water is added.
Therefore, the correct answer is (a) (i) and (iii).
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