Decomposition of H2O2 with Platinum

Chemicals and Solutions: 

Hydrogen Peroxide, 3%

Platinum plated wire (in locked cupboard)

Materials: 

100 mL beaker

Procedure: 

Pour a small amount (30-40 mL) of hydrogen peroxide into beaker.  When platinum wire is placed into the liquid, gas evolves. This demonstration works well on the overhead projector.

Hint: 

Discussion: 

The reaction:

2H2O2(aq) -----> 2H2O(l) + O2(g)

To schedule a demonstration, please send an e-mail to the demonstration lab.

 

Contact:

Eric Camp

Lecture Demonstration Technician

Bagley Hall 171

(206) 543-1606

ericcamp@uw.edu

 

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