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The correct order of the stoichiometries of AgCl formed when AgNO_{3} in excess is treated with the complexes: CoCl_{3}. 5NH_{3}\ and\ CoCl_{3}. 6NH_{3}, respectively is:-

  • Option 1)

    3AgCl, 1 AgCl, 2 AgCl

  • Option 2)

    3AgCl, 2 AgCl, 1 AgCl

  • Option 3)

    2 AgCl, 3 AgCl, 1 AgCl

  • Option 4)

    1 AgCl, 3 AgCl, 2 AgCl

 

Answers (1)

best_answer

As we learnt in 

Coordination Sphere -

The central atom/ion and the ligands attached to metal are enclosed in square bracket and this collectively termed as coordination sphere

- wherein

eg:

K_{4}\left [ Fe\left ( CN \right )_{6} \right ]

 K^{+} \rightarrow Counter ion

\left [ Fe\left ( CN \right )_{6} \right ]^{4-} \rightarrow  Coordination sphere

 

 

 

\left [ C{o} \left ( NH_{3}) \right _{6}\right ]Cl_{3}, \left [ C{o} \left ( NH_{3}) \right _{5}Cl\right ]Cl_{2}, \left [ C{o} \left ( NH_{3}) \right _{4}Cl_{2}\right ]Cl

The ligands in the coordination sphere will not ionize. stoichiometries of A_{g}Cl formed will be :

3A{g}Cl, 2A{g}Cl and 1A{g}Cl


Option 1)

3AgCl, 1 AgCl, 2 AgCl

Incorrect

Option 2)

3AgCl, 2 AgCl, 1 AgCl

Correct

Option 3)

2 AgCl, 3 AgCl, 1 AgCl

Incorrect

Option 4)

1 AgCl, 3 AgCl, 2 AgCl

Incorrect

Posted by

divya.saini

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