NEET Chemistry (general) MCQ Question
Which of the following statements about coordination compounds is correct?
The octahedral complex [Co(NH3)6]3+ is diamagnetic due to the absence of unpaired electrons.
All coordination compounds with a coordination number of six must exhibit geometrical isomerism.
High-spin complexes always have unpaired electrons and are typically found in octahedral coordination.
The hybridization scheme for octahedral complexes involves only d orbitals of the central metal ion.
Correct Answer
Detailed Explanation
The statement about [Co(NH3)6]3+ being diamagnetic because it has no unpaired electrons is supported by the NCERT context, which describes its electronic configuration and hybridization as leading to this property. The other options reflect common misconceptions about coordination compounds.
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