Question
Ulose and answer ute Ullowing questions: 1) Palladium on carbon is an ignition risk. What precautions...
ulose and answer ute Ullowing questions: 1) Palladium on carbon is an ignition risk. What precautions should you take when a) handling Pd/C and b) disposing of Pd/C in the waste? 2) Why do we use ammonium formate as a hydrogen surrogate instead of using hydrogen gas in this experiment? Page 17
Answers
1. (a) Pd/C should always be used in an inert atmosphere,mostly in Argon. Before the addition of catalyst reaction vessels should be flushed with Argon. For catalytc use, it is added to an organic solvent in the presence of Argon.
(b) Waste Pd/C and waste material should be covered in water fully and placed in an specific container that is properly labelled.
2. Hydrogen gas is not easy to store and handle. On the other hand ammonium formate decomposes to H2 CO2, and NH3 easily in the presence of Pd/C. This hydrogen gas can be used in the reaction by adsorption onto the Pd metal surface.
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