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The complex ion [Cu(NH₃)₄]²⁺ is –
A
Tetrahedral and paramagnetic
B
Tetrahedral and diamagnetic
C
Square planar and paramagnetic
D
Square planar and diamagnetic
Explanation
Cu²⁺ is d⁹ and [Cu(NH₃)₄]²⁺ is square planar with one unpaired electron.
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