Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

10 Questions

1 Views

Mastering Oxidation and Reduction

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which type of reaction involves the transfer of electrons from one atom to another?

D) Evaporation

A) Redox reaction (correct)

B) Nuclear reaction

C) Melting

Which term is defined as the loss of electrons from atoms of a substance?

D) Polarization

B) Ionization

C) Oxidation (correct)

A) Reduction

Which term is defined as the gain of electrons by the atoms of a substance?

C) Reduction (correct)

B) Oxidation

D) Polarization

A) Ionization

Which substance is considered the oxidizing agent in a redox reaction?

The substance that oxidizes another substance by accepting its electrons Signup and view all the answers

In the reaction 2Al + 2Fe3+ + 3O2– → 2Fe + 2Al3+ + 3O2–, which atom is oxidized?

Aluminum (Al) Signup and view all the answers

Which element in a redox reaction is more electronegative and acts as the oxidizing agent?

The element that has a higher oxidation number Signup and view all the answers

What is the oxidation number of sulfur (S) in a sulfite ion (SO32–)?

+3 Signup and view all the answers

Which of the following is the definition of oxidation?

The loss of electrons from atoms of a substance Signup and view all the answers

What is the net ionic equation for the reaction 2KI(aq) + Pb(NO₃)₂ (aq) → PbI₂ (s) + 2KNO₃ (aq)?

2I⁻ (aq) + Pb²⁺ (aq) → PbI₂ (s) Signup and view all the answers

What are oxidation numbers used for in a redox reaction?

To keep track of the movement of electrons Signup and view all the answers