When one CO group is replaced by PPh3 in [Cr(CO)6], which one of the following statement is TRUE?
1
The Cr-C bond length increases and CO bond length decreases
2
The Cr-C bond length decreases and CO bond length decreases
3
The Cr-C bond length decreases and CO bond length increases
4
The Cr-C bond length increases and CO bond length increases
5
Question Not Attempted