Berry List of Chemistry Experiments (PEKA) Form 5 (Part 2)

by BerryBerryTeacher

in Berry Experiment (Experiments & PEKA)

This post is the list of PEKA experiments for SPM Chemistry Form 5 from Berry Berry Easy. Please familiarise with all these experiments from SPM Form 5 Chemistry Chapter 2: Carbon Compound before conducting them so as to be better prepared. The list of experiments are as below:

Berry List of Chemistry Experiments (PEKA) Form 5 (Part 2)

Chapter 2 – Carbon Compound

List of PEKA experiments:

  1. Combustion products of organic compound
  2. Properties of alkanes and alkenes
  3. Preparation of ethanol by fermentation
  4. Chemical properties of ethanol
  5. Chemical properties of ethanoic acid
  6. Esters – Laboratory preparation and physical properties
  7. Coagulation of latex
  8. Elasticity of vulcanised and unvulcanised rubber
  9. Latex product
Number Laboratory Work 2.1
Pg. 25
Title Combustion products of organic compound
Aim To identify the combustion product of organic compound. / To investigate the complete combustion of organic compounds.
Apparatus
  • 250 cm3 beaker
  • Boiling tube
  • Stopper with 2 holes
  • Delivery tube
  • Rubber tubing
  • Filter funnel
  • Filter pump
  • Retort stand and clamp
  • Spirit lamp
  • Bunsen burner
  • 0 – 110˚C thermometer
  • Test tube holder
  • Wooden blocks
Material
  • Ice
  • Ethanol
  • Palm oil
  • Limewater

.

Number Laboratory Work 2.2
Pg. 32
Title Properties of alkanes and alkenes
Aim To compare the properties of alkanes and alkenes

  • A. Reaction with oxygen
  • To compare the combustion of hexane and hexane
  • B. Reaction with bromine
  • To compare the reaction of hexane and hexane with bromine
  • C. Reaction with acidized potassium manganate(VII) solution
  • To compare the reaction of hexane and hexane with acidified potassium manganate(VII) solution
Apparatus
  • Evaporating dish / Porcelain dishes
  • Dropper
  • Test tube
  • Bunsen burner
Material
  • Hexane
  • Hexene
  • Bromine in 1,1,1-trichloroethane
  • 0.1 mol dm-3 potassium manganate(VII) solution
  • Dilute sulphuric acid
  • Wooden splinter
  • Filter paper

.

Number Laboratory Work 2.3
Pg. 38
Title Preparation of ethanol by fermentation
Aim To prepare samples of ethanol, C2H5OH by fermentation
Apparatus
  • 250 cm3 conical flask
  • 150 cm3 conical flask
  • 500 cm3 beaker
  • 50 cm3 measuring cylinder
  • Distillation flask (round-bottomed flask)
  • Stopper with delivery tube
  • Stopper with 1 hole
  • 0 – 110˚C thermometer
  • Liebig condenser
  • Fractionating column
  • Retort stand and clamp
  • Tripod stand
  • Wire gauze
  • Glass rod
  • Bunsen burner
  • 1 m rubber tubing
  • Filter funnel
  • Boiling tube
Material
  • Glucose
  • Yeast
  • Limewater
  • Distilled water
  • Filter paper (4 pieces)
  • Fruits such as pineapple, grape, papaya, banana, apple, berries
  • Cooked potatoes, rice or tapioca

.

Number Laboratory Work 2.4
Pg. 41
Title Chemical properties of ethanol
Aim To investigate the chemical properties of ethanol, C2H5OHA. Combustion of ethanolB. Oxidation of ethanolC. Dehydration of ethanol
Apparatus A. Combustion of ethanol

  • Evaporating dish
  • Wooden splinter

B. Oxidation of ethanol

  • Test tubes
  • Boiling tube
  • Stopper with delivery tube
  • Test tube holder
  • 500 cm3 beaker
  • Retort stand and clamp
  • Bunsen burner
  • 10 cm3 measuring cylinder
  • Dropper

C. Dehydration of ethanol

  • Test tubes
  • Boiling tube
  • Stopper with delivery tube
  • Test tube holder
  • 500 cm3 beaker
  • Retort stand and clamp
  • Bunsen burner
  • Forceps
  • Dropper
Material A. Combustion of ethanol

  • Ethanol

B. Oxidation of ethanol

  • Ethanol
  • 30 g dm-3 potassium dichromate(VI), K2Cr2O7 solution
  • Ice
  • Concentrated sulphuric acid
  • Blue litmus paper

C. Dehydration of ethanol

  • Ethanol
  • 30 g dm-3 potassium dichromate(VI), K2Cr2O7 solution
  • 3 g dm-3 potassium manganate(VII), KMnO4 solution
  • Bromine water
  • Glass wool
  • Unglazed porcelain chips
  • Water

.

Number Laboratory Work 2.5
Pg. 48
Title Chemical properties of ethanoic acid
Aim To investigate the chemical reactions of ethanoic acid, CH3COOH

  • A. Reactions of ethanoic acid as an acid
  • i. reaction of ethanoic acid with a metal
  • ii. reaction of ethanoic acid with a metal carbonate
  • iii. reaction of ethanoic acid with a base
  • B. Reaction of ethanoic acid with alcohol
Apparatus A. Reactions of ethanoic acid as an acidi. reaction of ethanoic acid with a metal

  • Test tube
  • Test tube rack
  • Wooden splinter

ii. reaction of ethanoic acid with a metal carbonate

  • Test tubes
  • Stopper with delivery tube

iii. reaction of ethanoic acid with a base

  • Test tube
  • Spatula
  • Glass rod
  • Bunsen burner
  • Tripod stand
  • Wire gauze
  • Evaporating dish

B. Reaction of ethanoic acid with alcohol

  • Dropper
  • Boiling tube
  • 250 cm3 beaker
  • Test tube holder
  • Bunsen burner
Material A. Reactions of ethanoic acid as an acidi. reaction of ethanoic acid with a metal

  • 1.0 mol dm-3 ethanoic acid
  • Metal powder (Magnesium ribbon / Zinc)

ii. reaction of ethanoic acid with a metal carbonate

  • 1.0 mol dm-3 ethanoic acid
  • Metal carbonate powder (Calcium carbonate/Iron(III) carbonate/Sodium carbonate)
  • Limewater

iii. reaction of ethanoic acid with a base

  • 1.0 mol dm-3 sodium hydroxide solution
  • Metal oxide powder (Copper(II) oxide)

B. Reaction of ethanoic acid with alcohol

  • Glacial ethanoic acid
  • Absolute ethanol  / Butan-1-ol
  • Concentrated sulphuric acid
  • Ice
  • Water

.

Number Laboratory Work 2.6
Pg. 53
Title Esters – Laboratory preparation and physical properties
Aim To prepare a sample of ethyl ethanoate, CH3COOC2H5 in the laboratory

  • A. Laboratory preparation of esterTo prepare a sample of ethyl ethanoate
  • B. Physical properties of ethyl ethanoate

To investigate the physical properties of ethyl ethanoate

Apparatus A. Laboratory preparation of ester

  • 100 cm3 beaker
  • 500 cm3 beaker
  • 250 cm3 distillation flask (round-bottomed flask)
  • 250 cm3 conical flask
  • 50 cm3 measuring cylinder
  • Tap funnel
  • 0 – 250˚C thermometer
  • Liebig condenser
  • Bunsen burner
  • Tripod stand
  • Retort stand and clamp
  • Stopper with 2 holes
  • Wooden block
  • Porous chips / tile chips
  • Oil bath

B. Physical properties of ethyl ethanoate

  • Test tube
  • Dropper
  • Glass rod
  • Sample bottle
Material A. Laboratory preparation of ester

  • Absolute ethanol
  • Glacial ethanoic acid
  • Concentrated sulphuric acid
  • Oil
  • Tap water

B. Physical properties of ethyl ethanoate

  • Ethyl ethanoate (from A)
  • Distilled water
  • Acetone
  • Methylated spirits

.

Number Laboratory Work 2.7
Pg. 60
Title Coagulation of latex
Aim To investigate the coagulation of latex
Apparatus
  • 100 cm3 beaker
  • Measuring cylinder
  • Glass rod
  • Dropper
Material
  • Rubber latex
  • 1.0 mol dm-3 ethanoic acid
  • 1.0 mol dm-3 ammonia solution
  • Red and blue litmus paper

.

Number Laboratory Work 2,8
Pg. 61
Title Vulcanised rubber
Aim To prepare vulcanised rubber
Apparatus
  • 10 cm x 10 cm glass plate
  • Glass rod
  • Razor blade
  • A pair of tongs
  • 250 cm3 beaker
Material
  • Rubber latex
  • Disulphur dichloride in methylbenzene

.

Number Experiment 2.1
Pg. 62
Title Elasticity of vulcanised and unvulcanised rubber
Aim To compare the elasticity of vulcanised and unvulcanised rubber
Problem Statement Is vulcanised rubber is more elastics than unvulcanised rubber?
Hypothesis Vulcanised rubber is more elastics than unvulcanised rubber
Apparatus
  • Retort stand and clamps
  • Bulldog clips
  • Hooks
  • Metre rule
  • Weights (50 g)
Material
  • Vulcanised rubber strip
  • Unvulcanised rubber strip
Variables
  • Manipulated variable: Types of rubber (vulcanised rubber strip and unvulcanised rubber strip)
  • Responding variable: Elasticity of rubber / Length of rubber strip
  • Controlled/Fixed variable: Mass of weight, size of rubber strip
Operational Definition If the minimum weight required for the rubber strip to fail to return to its initial length is larger, then the rubber strip is more elastic.

.

Number Laboratory Work 2.9
Pg. 64
Title Latex product
Aim To prepare a rubber glove in the laboratory
Apparatus
  • 500 cm3 beaker
  • Dropper
  • Glass rod
  • Plastics arm mould
  • String
  • Retort stand and clamp
  • Basin
Material
  • Fresh latex
  • 2.0 mol dm-3 ethanoic acid
  • Water

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March 12, 2012

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