One mole of the complex with molecular formula [ C o ( N H 3 ) 5 C l 3 ] gives two moles of A g C l with excess of A g N O 3 . The complex is Options: A . &nbsp [ C o ( N H 3 ) 4 C l 2 ] C l B . &nbsp [ C o ( N H 3 ) 3 C l 3 ] .2 N H 3 C . &nbsp [ C o ( N H 3 ) 4 C l ] C l 2 . N H 3 D . &nbsp [ C o ( N H 3 ) 5 C l ] C l 2

One mole of the complex with molecular formula [Co(NH3)5Cl3] gives two moles o

Discussion Forum : Coordination Compounds

Question -

One mole of the complex with molecular formula $[C o (N H_{3})_{5} C l_{3}]$ gives two moles of $A g C l$ with excess of $A g N O_{3}$ . The complex is

Options:

A .

[C o (N H_{3})_{4} C l_{2}] C l

B .

[C o (N H_{3})_{3} C l_{3}] .2 N H_{3}

C .

[C o (N H_{3})_{4} C l] C l_{2} . N H_{3}

D .

[C o (N H_{3})_{5} C l] C l_{2}

Answer: Option D
:
D
Two moles of

A g C l

with

A g N O_{3}

means that two ‘Cl’ atoms are ionisable. The third must be within the coordination sphere.

[C o (N H_{3})_{5} C l] C l_{2} \to [C o (N H_{3})_{5} C l]^{2 +} + 2 C l^{-} 2 A g N O_{3} - ---- \to 2 N O_{3}^{-} + 2 A g C l

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Discussion Forum : Coordination Compounds

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