A cobalt-amine has the formula Co(NH3)6Cl3. With AgNO3 solution, one third of the chloride is precipitated. The complex shows cis-trans isomerism. It can have the structure:
Correct answer: C. [Co(NH3)4Cl2]Cl
- A. [Co(NH3)6]Cl3
- B. [Co(NH3)5Cl]Cl2
- C. [Co(NH3)4Cl2]Cl
- D. [Co(NH3)5.H2O]Cl3
Explanation
This compound has only one ionisable Cl- out of the given three.[Co(NH3)4Cl2]Cl <-> [Co(NH3)4Cl2]+ + Cl-It also exhibits cis-trans isotherm.
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A complex compound of cobalt has a molecular formula containing five NH3 molecules, one nitro group and two chlorine atoms for one Co atom. One mole of this compound produces three moles of ions in an aqueous solution. On reacting with excess AgNO3 solution, two moles of AgCl get precipitated. The ionic formula of the compound is?
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