JEE Main 201815 Apr, Morning shiftChemistryMediumCoordination Compounds198× since 2002The correct combination is :AOption A. [Ni(CN)₄]²⁻ −-− tetrahedral ; [Ni(CO)₄] −-− paramagneticBOption B. [Ni(Cl)₄]²⁻ −-− paramagnetic ; [Ni(CO)₄] −-− tetrahedralCOption C. [Ni(Cl)₄]²⁻ −-− square-planar ; [Ni(CN)₄] ²⁻−-− paramagneticDOption D. [Ni(Cl)₄]²⁻ −-− diamagnetic ; [Ni(CO)₄] −-−square-planarCheckSkip · show solution
