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Get Answers to all your Questions
Cobalt(III) chloride forms several octahedral complexes with ammonia. Which of the following will not give test for chloride ions with silver nitrate at 25°C ?
- Option 1)
CoCl3- 5NH3
- Option 2)
CoCl3- 6NH3
- Option 3)
CoCl3- 3NH3
- Option 4)
CoCl3- 4NH3
Answers (1)
As we discussed in the concept
Werner's Theory and it's limitation -
Postulates of Werner's theory
- Metals show two types of linkages, Primary and Secondary.
- Secondary valencies are non ionisable.
- Primary valencies are normally ionisable.
- The groups bond by the seconadry linkages has spatial arrangement.
Limitations of Warner's theory
- Did not tell why only certain elements have ability to form complexes
- Gave no explanation for directional properties of bonds in coordination compounds.
- Could not explain the magnetic and optical properties
- wherein
Eg. ,Secondary valency = 4 and these are satisfy by neutral molecule or negative ion.
Primary valency is satisfy by negative ion.
give white precipitate with AgNo3 but
does not give white ppt with AgNo3
Option 1)
CoCl3- 5NH3
Option is incorrect
Option 2)
CoCl3- 6NH3
Option is incorrect
Option 3)
CoCl3- 3NH3
Option is correct
Option 4)
CoCl3- 4NH3
Option is incorrect
View full answer
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