`Co^(2+)(aq.) +SCN^(-)(aq.) rarr `Complexe (X) `Ni^(2+)(aq.)+"Dimetyhlglyoxime" overset(NH_(4)OH)rarr ` complex (Y) The coordination number of cobalt and nickel in complexes X and Y are four. The IUPAC names of the complexes (X) and (Y) are respectively :A. tetrathicyanato-S -Cobalt (II) and bis (dimethylglyoximate ) nickel (II).B. tetrathicyanato-S -Cobaltate (II) and bis (dimethylglyoximato ) nickel (II).C. tetrathicyanato-S -Cobaltate (II) and bis (dimethylglyoximato ) nickelate (II).D. tetrathicyanato-S -Cobaltate (II) and bis (dimethylglyoximato) nickel (II).

`Co^(2+)(aq.) +SCN^(-)(aq.) rarr `Complexe (X) `Ni^(2+)(aq.)+"Dimetyhl

1.	`Co^(2+)(aq.) +SCN^(-)(aq.) rarr `Complexe (X) `Ni^(2+)(aq.)+"Dimetyhlglyoxime" overset(NH_(4)OH)rarr ` complex (Y) The coordination number of cobalt and nickel in complexes X and Y are four. The IUPAC names of the complexes (X) and (Y) are respectively :A. tetrathicyanato-S -Cobalt (II) and bis (dimethylglyoximate ) nickel (II).B. tetrathicyanato-S -Cobaltate (II) and bis (dimethylglyoximato ) nickel (II).C. tetrathicyanato-S -Cobaltate (II) and bis (dimethylglyoximato ) nickelate (II).D. tetrathicyanato-S -Cobaltate (II) and bis (dimethylglyoximato) nickel (II).
Answer» (B), `(X)=[Co(SCN)_(4)]^(2-), Y=[Ni(dmg)_(2)].`

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