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22.05.2020 •
Chemistry
Which of the following equations represent
redox reactions? For each redox reaction,
determine which atom is oxidized and which
is reduced, and identify the oxidizing agent
and the reducing agent.
a. MgO(s) + H2CO3(aq) →
MgCO3(s) + H2O(l)
b.2KNO3(s)→2KNO2 (s) + O2(8)
c. H2(g) + CuO(s) → Cu(s) + H2O(1)
d. NaOH(aq) + HCl(aq) →
NaCl(aq) + H2O(1)
e. H2(8) + Cl2(g) → 2HCl(8)
f. SO3(g) + H2O(1)→ H2SO4(aq)
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Ответ:
a. MgO(s) + H2CO3(aq) → MgCO3(s) + H2O(l) DOUBLE DISPLACEMENT REACTION.
b. 2KNO3(s)→2KNO2 (s) + O2(8) DESCOMPOSITION REACTION.
c. H2(g) + CuO(s) → Cu(s) + H2O(1) SINGLE DISPLACEMENT REACTION.
d. NaOH(aq) + HCl(aq) → NaCl(aq) + H2O(1) COMBUSTION REACTION.
e. H2(8) + Cl2(g) → 2HCl(8) SYNTHESIS REACTION.
f. SO3(g) + H2O(1)→ H2SO4(aq) SYNTHESIS REACTION.
Ответ: