Exam Revision (Module 3) Flashcards
In the quantum mechanical model of the atom, where are the protons and neutrons located?
Nucleus
In the quantum mechanical model of the atom, where are the electrons located?
Orbitals
Where are the valence electrons of atoms located?
In the outermost occupied major energy level
4 things coming off it
sp3
3 things coming off it
sp2
2 things coming off it
sp
What type of hybrid orbitals are required for the formation of a carbon-carbon triple bond?
sp
What is an alkene?
Double carbon
What is an alkyne?
Triple carbon
What is an amine?
Nitrogen
What is an amide?
Nitrogen directly attached to a c double bond o
Which 2 isomers is a c double bond c/alkene always?
E or Z
What is an elimination reaction?
Forming a new double bond
What is a substitution reaction?
Swapping one group on the biggest reactant for another group
Which of the following is a poor leaving group in nucelophillic substitutions?
Br
Cl
I
None
Is the rate of a nucelophilic substitution reaction influenced by the solvent?
Yes
Is an Sn2 reaction stereospecific?
Yes
Will an Sn1 reaction be slow at a tertiary carbon due to steric hindrance?
No
Is a good leaving group required for nucleophilic substitution reactions?
Yes
Which reaction will go faster if the concentration of the nucleophile is increased?
Sn2 reaction
What is the rate determining step of an Sn1 reaction?
The leaving group leaving to form a carbo cation
What is the rate determining step of an E1 reaction?
The leaving group leaving to form a carbo cation
What is the rate determining step of an Sn2 reaction?
The nucleophile attaching to the carbon as the leaving group is leaving
