WebElements Periodic Table of the Elements | Palladium

Chemical reactions of the elements

Reaction of palladium with air

Heating palladium metal with oxygen results in formation of palladium(II) oxide, PdO.

2Pd(s) + O₂(g) → PdO(s) [black]

Reaction of palladium with water

Reaction of palladium with the halogens

Careful control of the reaction between palladium metal and fluorine gas, F₂, results in either the palladium trifluoride. This compound is not palladium(III) fluoride but the mixed valence Pd(II,IV) salt [Pd]²⁺[PdF₆]^2-.

2Pd(s) + 3F₂(g) → [Pd][PdF₆](s)

The dichloride, palladium(II) chloride, PdCl₂, is also formed in the controlled reaction of palladium metal and chlorine, Cl₂. Depending upon the reaction conditions, one of two different forms of PdCl₂ is formed. In a related reaction, the dibromide, palladium(II) bromide, PdBr₂, is formed in the reaction of palladium metal and bromine, Br₂.

Pd(s) + Cl₂(g) → PdCl₂(s) [red, second form colour ...?]

Pd(s) + CBr₂(g) → PdBr₂(s) [red-black]

Reaction of palladium with acids

Reaction of palladium with bases

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Co	Ni	Cu
Rh	Pd	Ag
Ir	Pt	Au

Palladium	Palladium
Palladium	Palladium
Palladio	Paladio
Palladium	Paládio

Palladium
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Palladium around us
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Chemistry and compounds
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1 H																															2 He
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