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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
B
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