Question

Assertion : Weak acids have low electrical conductivity. Reason : strong acid and weak acids have equal concentration of hydrogen ions in their solutions. a) both A and R is true, and R is correct explanation of assertion. b) both a and R are true but R is not the correct explanation of assertion. c) A is true ,but R is false d) A is false, but R is true.​

Answer 1

The assertion is correct, but the reason is incorrect. So the answer will be option C) A is true, but R is false.

Explanation:

Assertion:-

• This is true. According to the Arrhenius concept of acid, acid are the substances which when dissolved in water gives hydrogen ions $(H^+)$.
• On the basis of dissociation of acids, the weak acid only dissociates to a small extent in the aqueous solution giving a small number of ions and electrons. Thus, they have low conductivity.

Reasons:-

• This is false. Strong acid, when dissolved in water dissociates completely thus producing a large number $H^+$ ions. Whereas, weak acid has a low concentration of hydrogen ions as compared to strong acid.

Answer 2

Answer:

c assertion is true but reason is false