RE-NEET2026Chemistry-Coordination Compounds
RE-NEET 2026 Chemistry Isomerism MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The complex which has facial and meridional isomers is (Given: py = pyridine and en = H₂N⁻CH₂-CH₂-NH₂)
A
[Cr(H₂O)₆]³⁺
B
[Co(NH₃)₄(H₂O)₂]³⁺
C
[Ni(en)₂(H₂O)₂]²⁺
D
[Cr(py)₃(Cl)₃]
Correct Answer
Option 2
Detailed Explanation
Facial and meridional isomers are possible in octahedral complexes with the formula [MA₃B₃], such as [Co(NH₃)₄(H₂O)₂]³⁺.
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