A complex has a composition corresponding to the formula

CHEMISTRY · Single correct · CBSE · Chemistry · Coordination Compounds · Coordination Compounds

Problem

A complex has a composition corresponding to the formula CoBr2Cl⋅4NH3\text{CoBr}_2\text{Cl} \cdot 4\text{NH}_3 . What is the structural formula if conductance measurements show two ions per formula unit? Silver nitrate solution given an immediate precipitate of AgCl\text{AgCl} but no AgBr\text{AgBr} . (1) [CoBrCl(NH3)4]Br[\text{CoBrCl}(\text{NH}_3)_4]\text{Br} (2) [CoCl(NH3)4]Br2[\text{CoCl}(\text{NH}_3)_4]\text{Br}_2 (3) [CoBr2Cl(NH3)4][\text{CoBr}_2\text{Cl}(\text{NH}_3)_4] (4) [CoBr2(NH3)4]Cl[\text{CoBr}_2(\text{NH}_3)_4]\text{Cl}

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