Chlorine and Bromine Reaction Concepts

Chlorine and Bromine Reaction Concepts

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Liam Anderson

FREE Resource

The video tutorial explains the reaction between potassium bromide (KBr) and chlorine gas (Cl2), identifying it as a single replacement reaction where chlorine replaces bromine. The video discusses the activity series to confirm the reaction's occurrence and balances the chemical equation. It further explains the redox nature of the reaction, highlighting the oxidation and reduction processes. The tutorial concludes by summarizing the reaction as both a single replacement and a redox reaction.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two main substances involved in the reaction discussed in the video?

Potassium iodide and chlorine gas

Sodium bromide and chlorine gas

Potassium bromide and chlorine gas

Potassium chloride and bromine gas

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of reaction occurs when chlorine replaces bromine in potassium bromide?

Synthesis reaction

Single replacement reaction

Decomposition reaction

Double replacement reaction

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the activity series important in predicting the reaction between KBr and Cl2?

It shows which elements are more reactive and can replace others.

It lists the elements in alphabetical order.

It provides the atomic masses of elements.

It indicates the boiling points of elements.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the balanced chemical equation for the reaction between KBr and Cl2?

KBr + Cl2 → KCl + Br2

2KBr + 2Cl2 → 2KCl + 2Br2

2KBr + Cl2 → 2KCl + Br2

KBr + 2Cl2 → KCl + 2Br2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the context of the reaction, what does 'redox' stand for?

Reactivity and oxygenation

Reduction and oxygenation

Reduction and oxidation

Reactivity and oxidation

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the oxidation state of bromine during the reaction?

It remains the same.

It decreases from 0 to -1.

It increases from 0 to +1.

It increases from -1 to 0.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the oxidation state change for chlorine in the reaction?

From +1 to 0

From 0 to +1

From 0 to -1

From -1 to 0

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