OCR Chemistry A – 4.1.2(f) Free Radical Substitution (training)

OCR Chemistry A – 4.1.2(f) Free Radical Substitution (training)

11th - 12th Grade

12 Qs

quiz-placeholder

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OCR Chemistry A – 4.1.2(f) Free Radical Substitution (training)

OCR Chemistry A – 4.1.2(f) Free Radical Substitution (training)

Assessment

Quiz

Chemistry

11th - 12th Grade

Medium

Created by

Michael Huang

Used 48+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

Tick any steps below that are PROPAGATION steps...

CH3CH3 + Br2 → CH3CH2Br + HBr

CH3CH3 + Br• → CH3CH2• + HBr

CH3CH2• + CH3CH2• → CH3CH2CH2CH3

CH3CH2• + Br• → CH3CH2Br

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

Tick any steps below that are INITIATION steps...

CH3CH2• + Br• → CH3CH2Br

Br• + Br• → Br2

CH3CH2• + Br2 → CH3CH2Br + Br•

Br2 → 2Br•

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

Tick any steps below that are TERMINATION steps...

CH3CH3 + Br2 → CH3CH2Br + HBr

CH3CH3 + Br• → CH3CH2• + HBr

CH3CH2• + CH3CH2• → CH3CH2CH2CH3

CH3CH2• + Br• → CH3CH2Br

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

Tick any steps below that are PROPAGATION STEP 2 ...

CH3CH3 + Br2 → CH3CH2Br + HBr

CH3CH3 + Br• → CH3CH2• + HBr

Br2 + CH3CH2• → CH3CH2Br + Br•

CH3CH2• + Br• → CH3CH2Br

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which ONE of the below CANNOT be called

PROPAGATION STEP 1 ...

butane + Cl• → butanyl radical + hydrochloric acid

[CH3CH2]• + Br2 → CH3CH2Br + Br•

CH3CH3 + Br• → [CH3CH2]• + HBr

CH3CH2CH3 + F• → [CH3CHCH3]• + HF

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

Tick any steps below that are an INITIATION step for this reaction...

Cl + Cl• → 2Cl2

CHCl3 → CHCl2• + H•

Cl2 → 2Cl

CCl3• + Cl• → C2Cl6

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Media Image

Tick any steps below that are a TERMINATION step for this reaction...

•CH3 + •CH3 → CH3CH3

CCl3• + Cl2 → CCl4 + Cl

CCl3• + Cl• → CCl4

CCl3• + CCl3• → C2Cl6

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