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  1. Problems
  2. /Redox Reactions
  3. /Oxidation Number and Types of Redox Reactions

Oxidation Number and Types of Redox Reactions

Chemistry
+ Upload a Problem
More in Redox ReactionsOxidation Number and Types of Redox ReactionsBalancing Redox Equations and Redox Titrations
21 problems
Exam:
Type:
1.
A galvanised bucket is an iron bucket with a zinc coat… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsA-Level, AP, IB, NEETStemPy LabStemPy Lab
Medium
2.
The Daniell cell has E° = 1.10 V for a reaction that moves 2 mol of electrons… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsStemPy LabStemPy Lab
Hard
3.
These metals have the following standard potentials for Mⁿ⁺/M: magnesium -2.37 V, zinc -0.76 V… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsStemPy LabStemPy Lab
Medium
4.
Use E°(Ag⁺/Ag) = +0.80 V and E°(Cu²⁺/Cu) = +0.34 V… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsA-Level, AP, IBStemPy LabStemPy Lab
Easy
5.
Four couples have these standard potentials: Al³⁺/Al is -1.66 V, Pb²⁺/Pb is -0.13 V, Cu²⁺/Cu is… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsA-Level, AP, IB, NEETStemPy LabStemPy Lab
Hard
6.
For Zn²⁺(aq) + 2e⁻ → Zn(s), the standard electrode potential is -0.76 V… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsA-Level, AP, IB, NEETStemPy LabStemPy Lab
Medium
7.
A student joins a zinc half-cell to a standard hydrogen electrode… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsA-Level, AP, IB, NEETStemPy LabStemPy Lab
Medium
8.
A silver half-cell has E° = +0.80 V and an iron half-cell has E° = -0.44 V… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsA-Level, AP, IBStemPy LabStemPy Lab
Easy
9.
In a Daniell cell, 0.327 g of zinc dissolves… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsA-Level, AP, IB, NEETStemPy LabStemPy Lab
Medium
10.
A Daniell cell supplies a steady current of 30 mA for 90 minutes… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsStemPy LabStemPy Lab
Medium
11.
A cell is written as Ni(s) mid Ni²⁺(aq) ∥ Ag⁺(aq) mid Ag(s)… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsA-Level, AP, IBStemPy LabStemPy Lab
Easy
12.
Name the kind of reaction, and say whether it is a redox reaction: (a) 2Mg + O₂ → 2MgO; (b) 2HgO →… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsA-Level, AP, IBStemPy LabStemPy Lab
Medium
13.
Chlorine reacts with cold dilute alkali: Cl₂ + 2OH⁻ → Cl⁻ + OCl⁻ + H₂O… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsStemPy LabStemPy Lab
Hard
14.
For each reaction, give the oxidation numbers before and after for the elements that change, name… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsA-Level, AP, IBStemPy LabStemPy Lab
Medium
15.
Find the oxidation number of (a) oxygen in H₂O₂; (b) oxygen in OF₂; (c) oxygen in KO₂; (d) hydrogen… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsA-Level, AP, IBStemPy LabStemPy Lab
Hard
16.
Give the oxidation number of the metal in each compound, and write the name with its Stock number… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsA-Level, AP, IBStemPy LabStemPy Lab
Easy
17.
Find the average oxidation number of (a) iron in Fe₃O₄; (b) sulfur in Na₂S₄O₆; (c) carbon in C₃O₂… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsStemPy LabStemPy Lab
Medium
18.
Find the oxidation number of (a) phosphorus in H₃PO₄; (b) chlorine in KClO₃; (c) manganese in… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsA-Level, AP, IBStemPy LabStemPy Lab
Easy
19.
A student has strips of zinc, copper and silver, and solutions of their nitrates… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsA-Level, AP, IBStemPy LabStemPy Lab
Medium
20.
A zinc rod of mass 6.54 g dissolves completely in excess copper(II) sulfate solution… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsStemPy LabStemPy Lab
Medium
21.
Say which substance is oxidised and which is reduced, using the classical ideas of oxygen, hydrogen… New
High School (11–12) · Oxidation Number and Types of Redox ReactionsA-Level, AP, IBStemPy LabStemPy Lab
Easy