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Redox Reactions
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Balancing Redox Equations and Redox Titrations
Balancing Redox Equations and Redox Titrations
Chemistry
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Oxidation Number and Types of Redox Reactions
Balancing Redox Equations and Redox Titrations
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Numerical
1.
A 10.0 mL sample of bleach solution is added to excess potassium iodide in acid…
New
High School (11–12) · Balancing Redox Equations and Redox Titrations
StemPy Lab
Medium
2.
A 25.0 mL sample of diluted hydrogen peroxide is acidified and titrated with 0.0180 mol/L potassium…
New
High School (11–12) · Balancing Redox Equations and Redox Titrations
A-Level, AP, IB, JEE Main
StemPy Lab
Medium
3.
A 20.0 mL sample of iron(II) sulfate solution needs 16.0 mL of 0.0150 mol/L acidified potassium…
New
High School (11–12) · Balancing Redox Equations and Redox Titrations
A-Level, AP, IB
StemPy Lab
Easy
4.
Hot nitric acid oxidises arsenic(III) sulfide to arsenic acid and sulfate ions, and is itself…
New
High School (11–12) · Balancing Redox Equations and Redox Titrations
A-Level, AP, IB, JEE Main
StemPy Lab
Hard
5.
In basic solution, hydrogen peroxide oxidises chromium(III) hydroxide to chromate ions: Cr(OH)₃ +…
New
High School (11–12) · Balancing Redox Equations and Redox Titrations
A-Level, AP, IB, JEE Main
StemPy Lab
Medium
6.
Acidified dichromate oxidises tin(II) ions to tin(IV) ions…
New
High School (11–12) · Balancing Redox Equations and Redox Titrations
StemPy Lab
Medium
7.
In acid, the nitrate ion is reduced to nitric oxide: NO₃⁻ → NO. Balance this half-reaction.
New
High School (11–12) · Balancing Redox Equations and Redox Titrations
A-Level, AP, IB
StemPy Lab
Easy
8.
In acid, permanganate oxidises oxalate ions to carbon dioxide: MnO₄⁻ + C₂O₄²⁻ → Mn²⁺ + CO₂…
New
High School (11–12) · Balancing Redox Equations and Redox Titrations
A-Level, AP, IB, JEE Main
StemPy Lab
Medium
9.
Zinc reacts with very dilute nitric acid…
New
High School (11–12) · Balancing Redox Equations and Redox Titrations
StemPy Lab
Medium
10.
Copper reacts with concentrated nitric acid and gives copper(II) nitrate, brown nitrogen dioxide…
New
High School (11–12) · Balancing Redox Equations and Redox Titrations
A-Level, AP, IB
StemPy Lab
Easy