Question

Assertion : $NaCl$ is precipitated when $HCl$ gas is passed in a saturated solution of $NaCl$.
Reason : ) $HCl$ is strong acid.

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

Answer 1

Answer: (B)

Pure $NaCl$ is precipitated when $HCl$ gas is passed in a saturated solution of $NaCl$ because the value of $\left[N{a}^{+}\right]$and $\left[C{l}^{-}\right]$becomes greater than $K_{sp}$ of $NaCl$.