Alkanes & Alkenes

Question 0

Alkanes have ………. Bonds in the molecules

Answer 0

Single C-C

Question 1

Alkenes have …………… Bonds in the molecules

Answer 1

Double

C -  C 
   -

Question 2

Is it Alkenes or alkanes that are saturated?

Answer 2

ALKANES

Question 3

What are ALKENES (saturated or unsaturated?)

Answer 3

UNSATURATED

Question 4

What is the test for unsaturation?

Answer 4

Bromine water- decolourise

Question 5

Bromine adds across the double bond of an unsaturated molecule. The product is a saturated molecule. What is this reaction called?

Answer 5

ADDITION REACTION

Question 6

Addition reaction:

But-2-ene + Bromine

What does this become known as?

Answer 6

2,3 dibromobutane

C4 H8 + Br2 –> C4 H8 Br2