Coordination CompoundHardBloom L1

Question

On treatment of [Ni(NH3)4]2+ with concentrated HCl, two compounds I and II having the same formula, [NiCl2(NH3)2] are obtained, I can be converted into II by boiling with dilute HCl. A solution of I reacts with oxalic acid to form [Ni(C2O4)(NH3)2] whereas II does not react. Point out the correct statement of the following

Options

A.I cis, II trans; both tetrahedral
B.I cis, II trans; both square planar
C.I trans, II cis; both tetrahedral
D.I trans, II cis; both square planar

Solution

Sol. Only Cis from react with oxalic acid to form [Ni(C2O4)(NH3)2]

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