Question

Precipitation of soap is made by the addition of salt $(NaCl)$. Presence of common ion suppresses the dissociation of weak acid.

• A. Both Assertion and Reason are true and Reason is the correct explanation of Assertion
• B. Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
• C. Assertion is true but Reason is false
• D. Both Assertion and Reason are false

Answer 1

Answer: (B)

Both Assertion and Reason are true but Reason is not the correct explanation of Assertion

Answer 2

Salting out action of soap is based on the principle of solubility product. Common ion effect is for weak electrolytes (either acids or bases).