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Which of the following equations represent oxidation-reduction reactions? (1) NazS(aq) + 2HC1(aq) → 2NaCl(aq) + H2S(g) (2) 2Na(s) + 2HCI(aq) → 2NAC1(aq) + H2(g) (3) Mg(s) + Cl2(g) - MgCl2(aq) (4) MgO(s) + 2HC1(aq) MgCl2(aq) + H20(1) (5) K3P(s) + 202(g) K3PO4(s) (6) ЗКОН(аq) + H;PO4(aq) — K3PO4(aq) + 3H2O(1)

Which of the following equations represent oxidation-reduction reactions? (1) NazS(aq) + 2HC1(aq) → 2NaCl(aq) + H2S(g) (2) 2Na(s) + 2HCI(aq) → 2NAC1(aq) + H2(g) (3) Mg(s) + Cl2(g) - MgCl2(aq) (4) MgO(s) + 2HC1(aq) MgCl2(aq) + H20(1) (5) K3P(s) + 202(g) K3PO4(s) (6) ЗКОН(аq) + H;PO4(aq) — K3PO4(aq) + 3H2O(1)

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
Section: Chapter Questions
Problem 52QRT
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Which of the following equations represent oxidation-reduction reactions? (1) Na2S(aq) + 2HCI(aq) → 2NaCl(aq) + H2S(g) (2) 2Na(s) + 2HC(аq) → 2NAC1(aq) + H2(g) (3) Mg(s) + Cl2(g) → MgCl2(aq) (4) MgO(s) + 2HCI(aq) → → MgCl2(aq) + H2O(1) (5) KзР(s) + 202(g) — К3РО4(s) (6) ЗКОН(аq) + H;РOд(аq) — K;РОд(аq) + ЗH-0() A) 1, 2, 5 В) 1, 2, 6 С) 2, 3, 5 D) 2, 3, 6 E) 3, 4, 6
Transcribed Image Text:Which of the following equations represent oxidation-reduction reactions? (1) Na2S(aq) + 2HCI(aq) → 2NaCl(aq) + H2S(g) (2) 2Na(s) + 2HC(аq) → 2NAC1(aq) + H2(g) (3) Mg(s) + Cl2(g) → MgCl2(aq) (4) MgO(s) + 2HCI(aq) → → MgCl2(aq) + H2O(1) (5) KзР(s) + 202(g) — К3РО4(s) (6) ЗКОН(аq) + H;РOд(аq) — K;РОд(аq) + ЗH-0() A) 1, 2, 5 В) 1, 2, 6 С) 2, 3, 5 D) 2, 3, 6 E) 3, 4, 6
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