Question
Match the List-I with List-II :
| List-I Cations |
List-II Group reagents |
||
|---|---|---|---|
| A. | $\mathrm{Pb^{2+},Cu^{2+}}$ | i) | $\mathrm{H_2S}$ gas in presence of dilute HCl |
| B. | $\mathrm{Al^{3+},Fe^{3+}}$ | ii) | $\mathrm{(NH_4)_2CO_3}$ in presence of $\mathrm{NH_4OH}$ |
| C. | $\mathrm{Co^{2+},Ni^{2+}}$ | iii) | $\mathrm{NH_4OH}$ in presence of $\mathrm{NH_4Cl}$ |
| D. | $\mathrm{Ba^{2+},Ca^{2+}}$ | iv) | H2S in presence of NH4OH |
Correct match is -