Which one of the following is wrongly matched | vedclass

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(C) $(a): 	ext{In } [Cu(NH_{3})_{4}]^{2+}, Cu 	ext{ is present as } Cu^{2+}. \ Cu^{2+} = [Ar] 3d^{9} 4s^{0}. 	ext{ The } NH_{3} 	ext{ ligand cause

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$[Fe(CN)_{6}]^{3-} - sp^{3}d^{2}$

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(C) $(a): 	ext{In } [Cu(NH_{3})_{4}]^{2+}, Cu 	ext{ is present as } Cu^{2+}. \ Cu^{2+} = [Ar] 3d^{9} 4s^{0}. 	ext{ The } NH_{3} 	ext{ ligand causes } dsp^{2} 	ext{ hybridisation, resulting in a square planar geometry.}$$(b): 	ext{In } [Ni(CO)_{4}], CO 	ext{ is a neutral ligand.}$$(c): 	ext{In } [Fe(CN)_{6}]^{3-}, Fe 	ext{ is present as } Fe^{3+}. \ Fe^{3+} = [Ar] 3d^{5} 4s^{0}. 	ext{ Since } CN^{-} 	ext{ is a strong field ligand, it causes pairing of electrons. Thus, its hybridisation is } d^{2}sp^{3}, 	ext{ not } sp^{3}d^{2}. 	ext{ It is an inner orbital complex.}$$(d): 	ext{In } [Co(en)_{3}]^{3+}, 	ext{ the central metal } Co^{3+} 	ext{ has } 24 	ext{ electrons and } 6 	ext{ ligands donate } 12 	ext{ electrons, total } = 36 	ext{ electrons, which follows the EAN rule.}$

Which one of the following is wrongly matched?

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