3.3 Halogenoalkanes

Question 1

Are halogenoalkanes soluble in water

Answer 1

Insoluble as C-H non polar, not compensated enough by C-X bond polarity

Question 2

Do halogenoalkanes have a polar bond

Answer 2

Yes as halogen has high electronegativity than C

Question 3

Which IMF do halogenoalkanes have

Answer 3

Permanent dipole-dipole and van der waals

Question 4

What is a nucleophile

Answer 4

A negatively charged ion/electronegative atom with lone pair of electrons which can be donated to an electron deficient atom

Question 5

3 Examples of nucleophiles

Answer 5

:OH-
:CN-
:NH3

Question 6

What is nucleophilic substitution

Answer 6

A reaction where a nucleophile donates a lone pair of electrons to electropositive C atom, electronegative atom leaves (replaced by nucleophile)

Question 7

Draw the mechanism for the reaction of bromoethane with NaOH

Answer 7

Google

Question 8

Draw the mechanism for the reaction of bromoethane with KCN

Answer 8

google

Question 9

Draw the mechanism for the reaction of bromoethane with NH3

Answer 9

google

Question 10

Draw the mechanism for the reaction of bromoethane with NaOH in ethanol

Answer 10

google

Question 11

What are the conditions/reactants needed for the elimination reaction of haloalkanes

Answer 11

NaOH or KOH dissolved in ethanol (no water)
Heated

Question 12

What is formed in the elimination reaction of haloalkanes

Answer 12

An alkene, water and halogen ion