For 1 mol of CoCl₃·4NH₃ (green or violet isomer), moles of AgCl precip…

Question

For 1 mol of CoCl₃·4NH₃ (green or violet isomer), moles of AgCl precipitated by excess AgNO₃ is

Accepted Answer

B. {'text': '1', 'label': 'B'}

1. Formula is [CoCl₂(NH₃)₄]Cl.
2. Only 1 chloride sits outside the coordination sphere (ionisable).
3. So only 1 mol AgCl precipitates per mol.
4. The complex is a 1:1 electrolyte.
_Source: NCERT Class 12 Chemistry, Unit 5 "Coordination Compounds", §5.1_

Answer

{'text': '0', 'label': 'A'}

Answer

{'text': '2', 'label': 'C'}

Answer

{'text': '3', 'label': 'D'}