Which molecule/ion among the following cannot act as a ligand in compl – McqOptions

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1.	Which molecule/ion among the following cannot act as a ligand in complex compounds?
A.	\[C{{H}_{4}}\]
B.	\[CO\]
C.	\[C{{N}^{-}}\]
D.	\[B{{r}^{-}}\]
Answer» B. \[CO\]

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