CO and CN-, which is the best pi-acceptor? I choose CN-
Using Molecular Orbital Theory to explain your choice?
___
C ____ ____
?? ?? O
??
___
C- ____ ____
?? N
?? ??
I only know the energy level of pi electrons in 2py and 2pz in CN- is lower than that in CO.
But how can I explain CN- is a better pi-acceptor? Please *delete me*