TEACHING LABORATORY
VIRTUAL CHEMLAB
PERFORMANCE LABORATORY
 


Thermal Decomposition

3. Thermal decomposition of Pb3O4

When dilead(II) lead(IV) powder are heated, they melt to form a dark brown liquid.

On stronger heating, oxygen gas which relights a glowing splint is evolved.

Complete decomposition produces a yellow residue of lead(II) oxide.

View video A

View video B


Chemical equation: 2Pb3O4 (s)     ----->     6PbO (s) +
O2 (g)

 

Prev     1     2     3     4     5     6     7     8     9     Next

 

 

Copyright © 2001 Crescent Girls' School, ASKnLearn.com Pte Ltd.

All rights reserved.