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.
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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.
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