Question

14. Assertion: All salts form neutral solution with pH=7.
Reason: Salts are formed by neutralization of an acid with a base.


a) Both A and R are true, and R is correct explanation of the assertion.
b) Both A and R are true, but R is not the correct explanation of the assertion. c) A is true, but R is false.
d) A is false, but R is true.

Answer 1

Answer:

A salt of strong acid with a strong base does not undergo hydrolysis. In this case, neither the cations nor the anions undergoes hydrolysis. Therefor the solution remains neutral. For example: in the aqueous solution of NaCl, its ions Na

+

and Cl

−

ions have no tendency to react with H

+

or OH

−

ions of water. This is because the possible products of such reaction are NaOH and HCl, which are they completely dissociated. As a result, there is no change in the concentration of H

+

and OH

−

ions and hence the solution continues to remain neutral.