MCQ
Which pair will show common ion effect
- A$BaC{l_2} + Ba\,{(N{O_3})_2}$
- B$NaCl + HCl$
- ✓$N{H_4}OH + N{H_4}Cl$
- D$AgCN + KCN$

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$BaCl_2 + Na_2SO_4 \to BaSO_4 + 2NaCl$