AIPMT PRELIMS2002Chemistry-Coordination Compounds
AIPMT PRELIMS 2002 Chemistry Magnetic Properties MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Atomic number of Cr and Fe are respectively 24 and 26, which of the following is paramagnetic with the spin of electron :-
A
[Cr(CO)₆]
B
[Fe(CO)₅]
C
[Fe(CN)₆]³⁻
D
[Cr(NH₃)₆]³⁺
Correct Answer
Option D
Detailed Explanation
[Fe(CN)₆]³⁻ is paramagnetic due to the presence of unpaired electrons in the d-orbitals of iron.
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