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Double salts are addition compounds whic...

Double salts are addition compounds which lose their identity in aqueous solution whereas complexes which are also addition compounds do not lose their identity in aqueous solution. The coordination compounds show isomerism and find applications in photography, qualitative analysis, metallurgy, water purification and in the treatment of various diseases .
Which of the following statement is true for the complex `[Co(NH_(3))_(4)Br_(2)]NO_(2)` ?

A

It shows ionisation , linkage and geometrical isomerism.

B

It does not show optical isomerism because its cis and trans forms each have at least one plane of symmetry.

C

Its ionisation isomers cannot be differenatiated symmetry

D

(A) and (B) both.

Text Solution

Verified by Experts

(D)
It shows geometrical isomerism but not optical isomerism due to the presence of at least one plane of symmetry.
`{Co(NH_(3))_(4)Br_(2)]NO_(2)` and `[Co(NH_(3))_(4)BrNO_(2)]` Br are isomers and later complex reacts with `AgNO_(3)` solution to give pale yellow ppt. `[Co(NH_(3))_(4)BrNO_(2)]Br `and `[Co(NH_(3))_(4)BrONO]Br` are linkage isomers.
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