Chemistry · PYQ NEET UG 2020
हिन्दीHCl was passed through a solution of \( \mathrm{CaCl_2} \), \( \mathrm{MgCl_2} \) and \( \mathrm{NaCl} \). Which of the following compound(s) crystallise(s)?
Correct answer · Option 1
Only NaCl
Explanation
Due to the common ion effect of \( \mathrm{Cl^-} \) ions from HCl, the solubility product of NaCl is exceeded, causing it to crystallise out.