Question

Which pair will show common ion effect ?

• A. $BaC{l}_2+Ba(N{O}_3{)}_2$
• B. $NaCl+HCl$
• C. $N{H}_{4}OH+N{H}_{4}Cl$
• D. AgCN + KCN

Answer 1

Answer: (C)

Since $N{H}_{4}OH$ is a weak electrolyte whereas $N{H}_{4}CI$ is a strong electrolyte