What formulas would you expect for the metal carbonyls of 

(a) Molybdenum, 

(b) Osmium; 

(c) Rhenium? 

Note that the simple carbonyls shown in Figure 23-15 have one metal atom per molecule. Some metal carbonyls are binuclear; that is, they have two metal atoms bonded together in the carbonyl structure. Also, 

(d) Explain why iron and nickel carbonyls are liquids at room temperature, whereas that of cobalt is a solid,

(e) Describe the probable nature of the bonding in the compound Na[V(CO)₆].

Figure 23-15

Transcribed Image Text:

Cr(CO)6 Fe(CO)5 Ni(CO)4