Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-numerical-Hard-Class 12
Which of the following statements is true regarding the magnetic properties of the complex [Co(NH3)6]3+?
A
It is diamagnetic due to the absence of unpaired electrons.
B
It is paramagnetic due to the presence of unpaired electrons.
C
It has an unpaired electron in the 3d orbital, making it paramagnetic.
D
It is diamagnetic because it contains a central metal ion with an even number of electrons.
Correct Answer
Option A
Detailed Explanation
The complex [Co(NH3)6]3+ is diamagnetic because all electrons are paired in the hybridised orbitals, as indicated by the absence of unpaired electrons in the NCERT context.
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