MCQOPTIONS
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| 1. |
Conc. \[HN{{O}_{3}}\] is added before proceeding to test for group III members. This is to [NCERT 1974] |
| A. | Oxidise any remaining \[{{H}_{2}}S\] |
| B. | Convert ferrous ion into ferric ion |
| C. | Form nitrates which give granular ppts |
| D. | Increase ionisation of ammonium hydroxide |
| Answer» C. Form nitrates which give granular ppts | |