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Complexes formed in the following method...

Complexes formed in the following methods are:
(I) Mond's process for purification of nickel
(II) Removal of ureacted AgBr from photographic plate
(III) Removal of lead poisoning from the body

A

`{:(I,II,III),(Ni(CO)_(4),[Ag(CN)_(2)]^(-),[Pb(EDTA)]^(2-)):}`

B

`{:(I,II,III),(Ni(CO)_(4),[Ag(S_(2)O_(3))_(2)]^(3-),[Pb(EDTA)]^(2-)):}`

C

`{:(I,II,III),(Ni(CO)_(6),Ag(S_(2)O_(3))_(2)]^(3-),([Pb(EDTA)]^(4-)):}`

D

`{:(I,II,III),(Ni(CO)_(6),[Ag(S_(2)O_(3))]^(-),[Pb(EDTA)]^(2-)):}`

Text Solution

Verified by Experts

The correct Answer is:
B
(I) Mond's process for purification of Ni-`[Ni(CO)_(4)]`
(II) Removal of unreacted AgBr from photographic plate-`[Ag(S_(2)O_(3))_(2)]^(3-)`
(III) Removal of lead poisoning from body-`[Pb(EDTA)]^(2-)`.
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