Organic Mechanisms (A Level only) (AQA A-Level Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What do full curly arrows represent in organic mechanisms?
What do full curly arrows represent in organic mechanisms?
Movement of an electron pair
Where does a curly arrow start in a mechanism?
Where does a curly arrow start in a mechanism?
At a lone pair or bond
In homolytic fission, what species is produced?
In homolytic fission, what species is produced?
Free radicals
What type of fission produces ions?
What type of fission produces ions?
Heterolytic fission
Which arrow type shows single electron movement in free radical mechanisms?
Which arrow type shows single electron movement in free radical mechanisms?
Half curly arrow
What is a substitution reaction?
What is a substitution reaction?
Replacing one atom/group with another
What is oxidation in organic chemistry?
What is oxidation in organic chemistry?
Increase in or decrease in
How many stages are in a free radical chain reaction?
How many stages are in a free radical chain reaction?
Three
What happens during the propagation stage?
What happens during the propagation stage?
Radicals form new radicals
How are chlorine radicals formed in ozone depletion?
How are chlorine radicals formed in ozone depletion?
CFCs break down under UV light