Which of the following are present in a dilute aqueous solution of hydrochloric acid?
(a) H3O+ + Cl–
(b) H3O+ + OH–
(c) Cl– + OH–
(d) unionised HCl
NCERT Class X
Science - Exemplar Problems
Chapter_Acids, Bases and Salts
Answers
Answered by
97
(a) H3O+ + Cl– is the answer.
Answered by
45
Answer:
is present in a "dilute aqueous solution of hydrochloric acid (HCl).
Option (a).
Explanation:
HCl is a very strong acid, strong acids in the aqueous solution ionizes to large extent hence producing the large amount of hydrogen ions. Its pH is around 3.
It is a colorless and transparent liquid. The produced hydrogen combines with the molecules of the hydrogen to give hydronium atoms. On the other hands the "weak acids ionize partially", they contain ions as well the molecules.
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