3.2 Exam Q

Question 1

Answer 1

Question 2

Answer 2

Question 3

Answer 3

Question 4

Question 5

Propene can react with hydrogen to form propane under suitable conditions.
a. What is the catalyst for this reaction?
b. What type of reaction is this?

Answer 5

1)
a. Nickel
b. Hydrogenation / addition

Question 6

a. What type of mechanism is the reaction between HBr and propene?
b. What do curly arrows represent?
c. Name the compound formed when but-2-ene reacts with bromine.

Answer 6

2)
a. Electrophilic addition
b. The movement of pairs of electrons
c. 2,3-dibromobutane

Question 7

For each of the following reactions, name the product.
a. Propene with H2, heat and a Ni catalyst.
b. Pent-1-ene with HBr.
c. 3-ethyloct-2-ene with H2 and a Ni catalyst.
d. Methylbut-2-ene with Br2.

Answer 7

3)
a. Propane
b. 2-bromopentane
c. 3-ethyloctane
d. 2,3-dibromomethylbutane

Question 8

Draw the repeat unit formed from the polymerisation of 1-chloropropene.

Answer 8

Question 9

Answer 9

Question 10

Answer 10

Question 11

Answer 11

Question 12

Answer 12