1.

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

Answer»

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

SOLUTION :(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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