AIIMS2003Chemistry-Coordination Compounds
AIIMS 2003 Chemistry Shapes of Complex Ions MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The ion which is not tetrahedral in shape is
A
BF₄⁻
B
NH₄⁺
C
Cu(NH₃)₄²⁺
D
NiCl₄²⁻
Correct Answer
Option C
Detailed Explanation
[Cu(NH3)4]2+ Cu2+ → 3d9 4s0 3d 4s 4p [Cu(NH3)4]2+ → dsp2 square planar One electron is shifted from 3d to 4p orbital.
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