WorksheetsExercise 2_Nucleophile&Electrophile
Total questions: 11
Worksheet time: 11mins
In the carbonyl group, which is the electrophilic site?
(a)
Which atom is nucleophilic?
Carbon
oxygen
hydrogen bonded to the oxygen atom
hydrogen bonded to carbon atom
Which of the following statements is FALSE?
All nucleophiles have high electron density.
All nucleophiles are Lewis bases.
All nucleophiles seek regions of low electron density.
All nucleophiles are negatively charged.
Complete the following statement.
A/an _____________ is a species that donates a pair of electrons to form covalent bond.
nucleophile
electrophile
Which of the following is likely to behave as an electrophile?
NO2+
CN-
CH3NH2
NO2+ and CN-
CN- and CH3NH2
NO2+ and CH3NH2
NO2+ only
Which of the following is likely to behave as an electrophile?
(CH3)3S+
CH3S-
C2H4
Cl2
Identify the nucleophile in the reaction shown above.
A
B
C
D
Identify the nucleophile in the reaction shown above.
A
B
C
D
Identify the electrophile in the reaction shown above.
A
B
C
D
E
Which is the Lewis acid in the reaction?
A
B
C
Which is the Lewis base in the reaction shown above?
A
B
C
