On Treatment Of [Ni(NH3)4]2+ with Concentrated HCl, Two Compounds I And II Having The Same Formula, Ni(NH3)2Cl2 are Obtained. I Can Be Converted Into II By Boiling With Dilute HCl. A Solution Of I Reacts With Oxalic Acid To Form [Ni(NH3)2(C2O4) Whereas II Does Not React. Point Out The Correct Statement Of The Following

Octahedral complex of Cr(III) will be

For the correct assignment of electronic configuration of a complex, the valence bond theory often requires the measurement of

Mn²⁺ forms a complex with Br^– ion. The magnetic moment of the complex is 5.92 B.M. What would be the probable formula and geometry of the complex? 

How many isomers are possible for the complex ion [Cr(NH₃)(OH)₂Cl₃]^2–

A complex of certain metal has the magnetic moment of 4.91 BM whereas another complex of the same metal with same oxidation state has zero magnetic moment. The metal ion could be

The EAN of metal atoms in Fe(NO)₂(CO)₂ and Co₂(CO)₈ respectively are

The value of x in H_xCr(CO)₅ is

Following Sidwick’s rule of EAN, Co₂(CO)_x will be

In the reactions  

two isomers of the product are obtained. The initial complex is

The aqueous 0.01 m of [Co(NH_3/6]₂ [Co(NH₃)(NO₂)₅]₃ is expected to have the depression of freezing point (K_f for water = 1.86 K/m)