Are the following Redox reactions or non-Redox reactions? If you determine that they are Redox, state which reactants have been Oxidised and which have been Reduced? Also remember to assign oxidation numbers for all atoms or ions on the reactant and product side to denote electron transfer for reactions identified as Redox. i) ii) Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s) NaOH(aq) + HCl(aq) → NaCl(aq) + H₂O (1)

Are the following Redox reactions or non-Redox reactions? If you determine that they are Redox, state which reactants have been Oxidised and which have been Reduced? Also remember to assign oxidation numbers for all atoms or ions on the reactant and product side to denote electron transfer for reactions identified as Redox. i) ii) Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s) NaOH(aq) + HCl(aq) → NaCl(aq) + H₂O (1)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Redox Reactions

Redox reactions are considered to be the chemical reactions involving both oxidation and reduction processes. They are actually oxidation-reduction reactions. The term redox is made from two words where “red” comes from reduction and “ox” comes from oxidation. During a redox reaction electron transfer takes place in such a way that one chemical compound gets reduced and the other one gets oxidized.

Question

c) Are the following Redox reactions or non-Redox reactions? If you
determine that they are Redox, state which reactants have been
Oxidised and which have been Reduced?
Also remember to assign oxidation numbers for all atoms or
ions on the reactant and product side to denote electron
transfer for reactions identified as Redox.
i) Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s)
ii)
NaOH(aq) + HCl(aq) → NaCl(aq) + H₂O (1)

iii)
iv)
v)
Al(s) + Cu²+ (aq) → Al³+ (aq) + Cu(s)
Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g)
CaCO3(s) → CaO(s) + CO2(g)

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