Chapter 16

Question 1

What apparatus is needed for reflux

Answer 1

Condenser
Heat source
Round bottom flask
Stand and clamp
Rubber tubing
Anti bumping granules

Question 2

Why should you use a water bath or electric heater instead of a Bunsen burner

Answer 2

The reactants may be flammable so using a Bunsen burner could be a risk

Question 3

Apparatus of distillation?

Answer 3

Round bottom flask
Condenser
Rubber tubing
Heat sources
Stand/clamp
Thermometer

Question 4

Reagents from alkenes to alkane

Answer 4

H2 and nickel catalyst

Question 5

Reagents for alkane to haloalkane

Answer 5

Halogen
UV light

Question 6

Reagents for halo alkane to alcohol?

Answer 6

Sodium hydroxide and reflux

Question 7

Reagents for alcohol to haloalkane

Answer 7

Sodium halide and sulfuric acid

Question 8

Reagents for alkene to haloalkane

Answer 8

Hydrogen halide

Question 9

Reagents for alkene to alcohol?

Answer 9

Steam and phosphoric acid catalyst

Question 10

Reagents for alcohol to alkene

Answer 10

Concentrated sulfuric acid

Question 11

Reagents from primary alcohol to carboxylic acid

Answer 11

K2Cr2O7 / H2SO4
Reflux

Question 12

Reagents for primary alcohol to aldehyde

Answer 12

K2Cr2O7 / H2SO4
Gentle heating / distil

Question 13

Reagents for secondary alcohol to ketone

Answer 13

K2Cr2O7 / H2SO4
Reflux

Question 14

In distillation, why is it necessary to have a continous water flow around the condenser

Answer 14

So water remains cool in order for mixture to be distilled