Introduction to Reaction Mechanisms (OCR A-Level Chemistry A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
In homolytic fission, how are the electrons from the bonded pair distributed?
In homolytic fission, how are the electrons from the bonded pair distributed?
Each atom receives one electron
What species are formed when a bond undergoes homolytic fission?
What species are formed when a bond undergoes homolytic fission?
Radicals with unpaired electrons
In heterolytic fission, how does the covalent bond break?
In heterolytic fission, how does the covalent bond break?
One atom takes both electrons
What is formed when undergoes heterolytic fission?
What is formed when undergoes heterolytic fission?
and
What does a full curly arrow represent in a reaction mechanism?
What does a full curly arrow represent in a reaction mechanism?
Movement of an electron pair
Where should a curly arrow start when showing electron movement?
Where should a curly arrow start when showing electron movement?
From a bond or lone pair of electrons
What type of arrow is used to show single electron movement in radical mechanisms?
What type of arrow is used to show single electron movement in radical mechanisms?
Fish-hook arrow with half arrowhead
Which feature characterizes an addition reaction?
Which feature characterizes an addition reaction?
Two molecules join to form one product
What happens in a substitution reaction?
What happens in a substitution reaction?
One atom/group is replaced by another
What is typically formed during an elimination reaction?
What is typically formed during an elimination reaction?
A double bond