OCR Chemistry A – 4.1.2(f) Free Radical Substitution (training)
Quiz
•
Chemistry
•
11th - 12th Grade
•
Medium

Michael Huang
Used 48+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
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
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
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
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
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
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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