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I read that silver in the presence of hydrogen sulfide corrodes to form silver sulfide and hydrogen.

$$\ce{Ag + H2S -> Ag2S + H2}$$

But in the reactivity series silver is placed much below hydrogen.

So, how is this displacement reaction taking place at all?

Reference:

J. Chem. Educ. 2000, 77, 3, 328A; doi 10.1021/ed077p328A

Single Replacement Reactions. Chemistry LibreTexts.

I read that silver in the presence of hydrogen sulfide corrodes to form silver sulfide and hydrogen.

$$\ce{Ag + H2S -> Ag2S + H2}$$

But in the reactivity series silver is placed much below hydrogen.

So, how is this displacement reaction taking place at all?

Reference:

Silver to Black - and Back. JCE

Single Replacement Reactions. Chemistry LibreTexts.

I read that silver in the presence of hydrogen sulfide corrodes to form silver sulfide and hydrogen.

$$\ce{Ag + H2S -> AgS + H2}$$

But in the reactivity series silver is placed much below hydrogen.

So, how is this displacement reaction taking place at all?

Reference:

J. Chem. Educ. 2000, 77, 3, 328A; doi 10.1021/ed077p328A

Single Replacement Reactions. Chemistry LibreTexts.

I read that silver in the presence of hydrogen sulfide corrodes to form silver sulfide and hydrogen.

$$\ce{Ag + H2S -> Ag2S + H2}$$

But in the reactivity series silver is placed much below hydrogen.

So, how is this displacement reaction taking place at all?

Reference:

J. Chem. Educ. 2000, 77, 3, 328A; doi 10.1021/ed077p328A

Single Replacement Reactions. Chemistry LibreTexts.