AIPMT PRELIMS2001Chemistry-Coordination Compounds
AIPMT PRELIMS 2001 Chemistry Magnetic Properties MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Which statement is incorrect :
A
Ni(CO)₄ – Tetrahedral, paramagnetic
B
Ni(CN)₄²⁻ - Square planar, diamagnetic
C
Ni(CO)₄ - Tetrahedral, diamagnetic
D
[NiCl₄]²⁻ – Tetrahedral, paramagnetic
Correct Answer
Option A
Detailed Explanation
Ni(CO)₄ is tetrahedral and diamagnetic due to the pairing of electrons in the presence of strong field CO ligands.
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