Q. Which pair will show common ion effect?
A) $BaCl_{2} + Ba\left( NO_{3} \right)_{2}$
B) $NaCl + HCl$
C) $NH_{4}OH + NH_{4}Cl$
D) $AgCN + KCN$
Explanation
The correct answer is Option C: $NH_{4}OH + NH_{4}Cl$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.