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Which of the following is a single replacement reaction?
a. 2SO2 + O2 —> 2S03
b. Zn + Cu(NO3)2 → Zn(NO3)2 + Cu
c. 2H2O2–> 2H2O + O2
d . AgNO3 + NaCl → AgCl + NaNO3

Respuesta :

joseaaronlara

Answer:

The answer to your question is: letter B.

Explanation:

A single replacement reaction is when one metal replaces the cation of another reactant.

a. 2SO2 + O2 —> 2S03                          This is a combination reaction

b. Zn + Cu(NO3)2 → Zn(NO3)2 + Cu      This is a single replacement reaction.

c. 2H2O2–> 2H2O + O2                         This is a decomposition reaction

d . AgNO3 + NaCl → AgCl + NaNO3      This is a double replacement reaction

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