1.

Select correct statement(s): (I) When excess FeCl_(3) solution is added to K_(4)[Fe(CN)_(6)] solution, in addition to Fe^(III)[Fe^(II)(CN)_(6)]^(-),Fe^(II)[Fe^(III)(CN)_(6)]^(-) is also formed due to side redox reaction (II) When FeCl_(2) is added to K_(3)[Fe(CN)_(6)] solution, in addition to Fe^(II)[Fe^(III)(CN)_(6)]^(-),Fe^(III)[Fe^(II)(CN)_(6)]^(-) is also formed due to side redox reaction. (III) Fe^(III)[Fe^(II)(CN)_(6)]^(-) is paramagnetic while Fe^(II)[Fe^(III)(CN)_(6)]^(-) is diamagnetic. (IV) Fe^(III)[Fe^(II)(CN)_(6)]^(-) is diamagnetic while Fe^(II)[Fe^(III)(CN)_(6)]^(-) is paramagnetic

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I,II
III,IV
both (a) and (B)
NONE of these

Answer :A


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