-->

The P-Block Elements

Question
CBSEENCH11007327

How is carbon monoxide prepared?

Solution

Preparation: It is prepared in a number of ways:
1.  Pure carbon monoxide can be prepared in the laboratory by heating formic acid with concentrated H2SOat 370–4010 K.
   HCOOH with Formic space acid below space space rightwards arrow with Conc. space straight H subscript 2 SO subscript 4 on top space space CO space plus space straight H subscript 2 straight O
2. By burning carbon in a limited supply of oxygen. 
    straight C plus stack 1 half straight O subscript 2 with Limited below space rightwards arrow space space CO
3. By heating carbon dioxide with coke. 
    CO subscript 2 space plus space straight C with Coke below space rightwards arrow with Heat on top space space 2 CO
4. By the reduction of oxides of metal with coke. 
    Fe subscript 2 straight O subscript 3 space plus space 3 straight C space space rightwards arrow space space space 2 Fe space plus space 3 CO
space space space ZnO space plus space straight C space rightwards arrow space space space Zn space plus space CO