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A complex compound of cobalt contains fi...

A complex compound of cobalt contains five `NH_(3)` molecules. One nitro group and two chloride ions for one Co atom. One mole of this compound produces three mole ions in aq. solution. On reacting with excess of `AgNO_(3)` solution, two moles of AgCl get precipitated.
The formula of the complex compound is

A

`[Co(NH_(3))_(4)NO_(2)Cl](NH_(3))Cl`

B

`[Co(NH_(3))_(5)Cl]Cl(NO_(2))`

C

`[Co(NH_(3))_(5)(NO_(2))Cl_(2)`

D

`[Co(NH_(3))_(5)][(NO)_(2)Cl_(2)]`

Text Solution

Verified by Experts

The correct Answer is:
C
To give 2 mole of AgCl ppt `2Cl^(-)` ions must present outside the []
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