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Electrolysis and Lead Deposition Concepts

Electrolysis and Lead Deposition Concepts

Assessment

Interactive Video

•

Chemistry

•

9th - 10th Grade

•

Practice Problem

•

Hard

Created by

Patricia Brown

FREE Resource

This video tutorial guides students through solving an electrolysis problem using Faraday's laws. It begins with an introduction to the problem and outlines a step-by-step approach. The tutorial covers calculating the quantity of electricity, determining moles of electrons using Faraday's constant, and applying mole ratios to find the amount of lead deposited. Finally, it demonstrates how to calculate the mass of lead deposited at the cathode.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary focus of the video tutorial?

Studying the periodic table

Solving an electrolysis problem using Faraday's laws

Understanding chemical bonding

Learning about organic chemistry

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which formula is used to calculate the quantity of electricity in electrolysis?

Q = m * v

Q = i * t

Q = c * v

Q = p * t

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit for the quantity of electricity?

Joule

Volt

Watt

Coulomb

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the amount of electrons in moles?

Divide the quantity of electricity by the molar mass

Multiply the quantity of electricity by Faraday's constant

Divide the quantity of electricity by Faraday's constant

Add the quantity of electricity to Faraday's constant

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of Faraday's constant used in the video?

100000 C/mol

96500 C/mol

100000 J/mol

96500 J/mol

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens at the cathode during the electrolysis of lead bromide?

Reduction of bromide ions

Oxidation of bromide ions

Oxidation of lead ions

Reduction of lead ions

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the mole ratio of Pb2+ ions to electrons in the reduction process?

2:1

1:2

1:1

2:2

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