Which of the following can act as both monodentate and bidentate ligand?
A
None of the above
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B
H2O
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C
CN−
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D
SO2−4
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Solution
The correct option is DSO2−4 H2O and CN− are monodentate ligand. SO2−4 is a flexidentate ligand. A ligand that shows flexible denticity is called flexidentate ligand. SO2−4 can act as both monodentate and bidentate ligand.